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  1. In The #SemWare Editor, Paste was Grey*.¹ PasteOver was Ctrl+Grey*. Both were independent of the current insert/overwrite mode of the editor. To this day, I sometimes hit those keys, which don't do that in Kate text editor, and can't be fully configured to.

    I also sometimes Ctrl+V Paste when not in insert mode expecting the text to be inserted, and it just overwrites. ‹sigh› #CopyPaste

    [1] Numpad Multiply. Copy was Grey+, Cut was Grey−, and if Grey/ did something, I don't remember what.

  2. Patrick W. Marsh @patrickwmarshauthor.wordpress.com@patrickwmarshauthor.wordpress.com ·

    Spaces and Gaps (Plus Expedition 33)

    Daily writing prompt What is the last thing you learned? View all responses

    I really wanted to have something cool and edgy to share about this writing prompt, but unfortunately mine is pretty mundane. I have self-published quite a few books. Over a dozen of them now. This was a process I learned myself back in 2013. What a different world back then. Amazon didn’t have KDP but CreateSpace. I feel like I could stare at a lake and feed ducks with this observation about time passing.

    I have always formatted them in Microsoft word, and because of how the file exports to Amazon’s platform, you need to keep an eye on your spaces and gaps or the whole document will be thrown-off. Recently, I remembered that I could use a setting in Microsoft Word to symbolize all the spaces and gaps throughout the document (ctrl+shift+8) and yeah, that made my writing life significantly easier.

    I think it is really easy, especially now that I’m older, to get stuck in habits and structures without challenging yourself. I didn’t necessarily need this setting or formatting tool. Not having it wouldn’t have prevented me from writing. Only oblivion would stop me from writing and releasing books. Learning this has helped editing immensely. Pursuing help or learning, whether it is through knowledge or community, seems to be a fickle spot for me. I know I’m hardly alone in that perspective. In this era of consumerism and vigorous individuality, I almost feel guilty for learning new things, as if I should have known them before I needed to.

    The pressure I feel to always eat protein, save money, workout, get steps, read books, and not be on social media (but somehow be on social media to hear these things) rattles my brain. Learning something new isn’t necessarily an adventure with this pressure, but a requirement. Sort of takes the magic out of the whole experience.

    I know as I get older and get even more established roots in art, family, and life, it is important to pay attention to what is invented and released. This actually happened with a game recently. I do try and stay up on my media and whatnot, because as a storyteller, you want to see what is being done and released. Plus, I love a good story.

    Anyways, Expedition 33 came out, and it was suggested to my wife. She got it for our PS5, and wow, what a game. It has thoroughly changed my life in a way only art could. I absolutely loved it. I’m still playing through it. My wife already beat it once. I’m so happy I tried something new. Expedition 33 is a turn based RPG, and I hadn’t played on of those in at least 15 years. So it is like I’m learning something new, but trying something old?

    #author #blogging #books #dailyprompt #dailyprompt1870 #fantasy #fiction #horror #monsters #patrickWMarsh #theGreenlandDiaries #writing
  3. 👣 #BSidesPDX 2025 Decryptid TOMORROW!

    ✅ Registration (1st floor)
    🪪 Bring your own lanyard
    🎤 Quiz Show Friday
    🎈 Reception Fri @ PSU
    🎉 Afterparty Sat @ CTRL-H
    🎟️ bsidespdx.org

    More details mailchi.mp/bsidespdx.org/get-r

    #CybersecurityCommunity #KeepPortlandCyber

  4. 👣 #BSidesPDX 2025 Decryptid TOMORROW!

    ✅ Registration (1st floor)
    🪪 Bring your own lanyard
    🎤 Quiz Show Friday
    🎈 Reception Fri @ PSU
    🎉 Afterparty Sat @ CTRL-H
    🎟️ bsidespdx.org

    More details mailchi.mp/bsidespdx.org/get-r

    #CybersecurityCommunity #KeepPortlandCyber

  5. 🚨BREAKING: #OrioleDB generously gifts its "groundbreaking" patent to the #Postgres peasantry, who clearly needed another reason to form a queue 😂💡. Next up, Microsoft patents Ctrl+C and plans a heartwarming donation to clipboard enthusiasts everywhere. 🖨️🧻
    supabase.com/blog/orioledb-pat #MicrosoftPatent #Community #TechNews #Innovation #HackerNews #ngated

  6. After learning touch typing, one of the best changes I made was swapping Caps Lock and Ctrl.
    I barely use Caps Lock, but I use Ctrl all the time. Reaching down to the bottom-left corner for Ctrl is awkward and uncomfortable. Swapping them makes typing so much smoother. I highly recommend it.

    #CosmicDesktop

  7. #Mastodon #MastodonTools #виброкодинг #ChatGPT

    Когда выбираешь сервер для регистрации, хочется, разумеется, знать лимит на символы поста. Почему-то эту информацию все тщательно скрывают. Вот небольшой букмарклет, который выводит окошко с capabilities сервера: какой fabric сколько details лимит поста, поддержку форматирования, размеры загружаемых медиа, наличие перевода и т.д. + сырой Json со всеми остальными (не особо важными) параметрами.

    javascript:(async()=>{const s=location.hostname,u=`https://${s}/api/v2/instance`;try{const r=await fetch(u);if(!r.ok)throw new Error(`HTTP ${r.status}`);const j=await r.json(),c=j.configuration;if(!c)return alert("configuration не найден");const mime=(c.statuses?.supported_mime_types||[]).join(", ")||"—";const d=document.createElement("div");d.style.cssText="position:fixed;top:10px;right:10px;width:70vw;max-height:80vh;overflow:auto;background:#111;color:#eee;border:2px solid #4da3ff;z-index:99999;padding:16px;font:13px monospace;border-radius:8px;box-shadow:0 10px 30px rgba(0,0,0,.5)";d.innerHTML=`<h3 style="margin:0 0 10px;color:#6cb6ff">${s}</h3><p><b>Пост:</b> ${c.statuses?.max_characters||"—"} симв.<br><b>Медиа:</b> ${c.statuses?.max_media_attachments||"—"} влож.<br><b>Форматирование:</b> ${mime}<br><b>Изображение:</b> ${Math.round((c.media_attachments?.image_size_limit||0)/1048576)} МБ<br><b>Видео:</b> ${Math.round((c.media_attachments?.video_size_limit||0)/1048576)} МБ<br><b>Перевод:</b> ${c.translation?.enabled?"вкл":"выкл"}</p><pre style="white-space:pre-wrap;background:#1b1b1b;padding:10px;border-radius:6px">${JSON.stringify(c,null,2)}</pre>`;document.body.appendChild(d);d.onclick=e=>e.target===d&&d.remove()}catch(e){alert("Ошибка: "+e.message+"\n"+u)}})();

    P.S. Чтобы закрыть окно, надо кликнуть возле рамки.
    P.P.S. Чтобы скопировать текст — нажимайте Ctrl+C, не отпуская мышку, иначе окно закроется.

  8. 🚨 Day 1 of #BSidesPDX is here! 🚨
    Are you ready? Are you here? 👀

    🎥 Stream live: youtube.com/playlist?list=PLqd

    🎮🥂 Reception – 5:15PM behind Track 1
    🎉 Afterparty – Sat 5–8PM @ CTRL-H (parking limited)

    bsidespdx.org/

    #KeepPortlandCyber #Decryptid2025

  9. 🚨 Day 1 of #BSidesPDX is here! 🚨
    Are you ready? Are you here? 👀

    🎥 Stream live: youtube.com/playlist?list=PLqd

    🎮🥂 Reception – 5:15PM behind Track 1
    🎉 Afterparty – Sat 5–8PM @ CTRL-H (parking limited)

    bsidespdx.org/

    #KeepPortlandCyber #Decryptid2025

  10. Labplot 2.12 (III)

    Continuando con el estudio del software libre Labplot veremos otro ejemplo, los datos provienen de https://www.itl.nist.gov/div898/handbook/datasets/ZARR13.DAT
    los pasé a un archivo de texto y desde ahí los importe a Labplot, es una columna con 194 valores.
    Vamos a Proyecto-añadir nuevo-hoja de cálculo
    Vamos a archivo -importar-desde archivo

    Recomiendo borrar las columnas vacías en la planilla, para que los gráficos queden bien escalados.

    Para el caso de este ejemplo seleccionamos todos los datos de la planilla (ctrl + a), luego clic derecho sobre la misma y elegimos trazar datos-Gráficos estadísticos- Histograma.

    Labplot es un programa que tiene muchas opciones para investigar.

    https://fediverse.tv/w/1vinX7Bu3fgggP8tNEK53c

    Nota: La gente de Labplot sugiere el siguiente enlace para aprender estadística y probabilidad
    https://www.youtube.com/@tilestats
    https://www.youtube.com/@tilestats/playlists

    #Educación #LabPlot #Matemática #Math #Programación #python #tutorial
  11. Labplot 2.12 (II)

    Continuando con el estudio del software libre Labplot veremos otro ejemplo, una importación de datos y visualización de los mismos, siguiendo la clara explicación del  video en su canal. Vamos a Proyecto-añadir nuevo-hoja de cálculo
    Hoja de cálculo es spreadsheet


    Vamos a archivo -importar-desde archivo

    Elegimos el archivo a analizar, en este caso una planilla con los datos de la cantidad de incendios (intencionales, no intencionales etc.) en un lapso de tiempo

    Recomiendo borrar las columnas vacías en la planilla, para que los gráficos queden bien escalados.

    Para el caso de este ejemplo seleccionamos todos los datos de la planilla (ctrl + a), luego clic derecho sobre la misma y elegimos trazar datos-graficos de lineas- lineas.

    En el caso de querer graficar solo a incendio_anio vs. incendio_total_numero , seleccionamos sus respectivas columnas y repetimos los pasos anteriores, por supuesto podremos elegir otro tipo de gráfico o análisis según convenga o corresponda.

    #Educación #LabPlot #Matemática #Math #Programación #python #tutorial
  12. CW: Askbox,Fandom List, Wanting Prompts, HC, questions, convo topics

    INFO

    I have a Guestbook you can send anonymous notes to that will actually notify me! Askbox Questions will only be answered here or mirrored to my website eventually. I anonymize all questions on my end.

    I would love headcanons, ships, prompts, ideas, AU's, fan characters and other kind of fannish content of the fandoms listed here

    I WANT TO TALK AND TALK AND PISS AND SCREAM AND YELL AND CRY OVER MY BLORBINS and also exchange intellectual conversations about art direction or character development in otherwise silly old stuff like Futurama and Powerpuff girls to name a few.

    INTEREST LEGEND

    ⭐=Hyperfixation/Special Interest

    💜=Greatly Enjoy

    ♦️=Like and Want to Talk About

    🚻=Mostly Care About the Characters

    ⏯️=Not Up to Date

    FAN OF...

    (Ctrl + F to search if a fandom is on the list)

    ANIME

    Hetalia ⭐

    Yu-Gi-Oh! TOEI + DM + GX ⭐

    Pokemon Indigo League ⭐

    Digimon Adventure 01 + Tamers 💜

    Osomatsusan 💜 ⏯️

    Made In Abyss 💜 ⏯️

    Kotaro Lives Alone 💜

    Panty and Stocking with Garterbelt 💜 ⏯️

    Sailor Moon (Original) 💜

    My Hero Academia 🚻 ⏯️

    MANGA

    Ranma 1/2 💜 ⏯️

    Dr.Slump 💜

    Yu-Gi-Oh! (Original) 💜

    Midori Days 💜

    Dragonball♦️

    GAMES

    Cookie Run ⭐ ⏯️

    Space Station 13/14 ⭐

    The Binding of Isaac ⭐

    Modded Minecraft ⭐

    OMORI 💜

    Sonic Series 💜 ⏯️

    Needy Streamer Overload 💜

    Coffin of Andy and LeyLey 💜

    Nekopara♦️ ⏯️

    Harvest Moon♦️

    Mabinogi ♦️ ⏯️

    Maplestory 2 ♦️

    Nuerogalaxy ♦️

    Gaia Online ♦️

    MegaMan Battle Network♦️

    Animal Crossing ♦️⏯️

    Pokemon Games♦️ ⏯️

    Touhou 🚻 ⏯️

    Angels of Death 🚻 ⏯️

    Project Sekai/Colorful Stage 🚻 ⏯️

    CARTOONS

    Hazbin Hotel ⭐

    Futurama ⭐

    Kids Next Door 💜

    The Amazing Digital Circus 💜 ⏯️

    Camp Camp 💜 ⏯️

    ENA 💜

    Danny Phantom 💜

    Cyberchase 💜

    Arthur 💜

    The Simpsons♦️

    King of The Hill♦️

    Courage the Cowardly Dog♦️

    Powerpuff Girls Classic♦️

    EEnE♦️

    Rugrats♦️

    Scott Pilgrim 🚻 ⏯️

    TV SHOWS

    LAOSVU 💜 ⏯️

    OITNB 💜

    SO SEND ME STUFF <3

    Fire away!

    #BeebzBlog #AskBeebz #Hetalia #cookierun #problemcookie #yugioh #hazbinhotel #tcoaal #anipoke #tboi

  13. Microsoft just turned 50! 🎂

    Founded April 4, 1975 by Bill Gates & Paul Allen.
    Started with Altair BASIC → MS-DOS → Windows → Xbox → AI.

    From two high school friends coding in a garage to one of the biggest names in tech history.

    Half a century of crashes, comebacks, and Ctrl+Alt+Del.

    #Microsoft50 #TechHistory #MSDOS #BillGates #AltairBASIC #Founded1975 #RetroComputing #microsoft

  14. 🔧🚫 Ha! Someone actually thinks they're "prepared" to fork Firefox? 🤣 With 65 stars and a whopping 18 watchers, they're practically ready to take on the entire internet! 🌐 Just wait until they realize #forking isn't as easy as pressing Ctrl+C, Ctrl+V. 🙄
    codeberg.org/librewolf/issues/ #Firefox #Humor #Internet #Community #Development #Fun #HackerNews #ngated

  15. Tip #763

    Copy web page titles from the Tab Bar.

    Whether for sharing, document naming, issue reporting or something else. Sometimes it’s good to get the full web page title, especially if it’s not displayed on the page itself.

    To copy the web page title in Vivaldi:

    1. Double-click on the tab or right-click on the tab and select “Rename” from the menu.
    2. While the title is selected, press CTRL / ⌘ + C on your keyboard.

    #Vivaldi #VivaldiBrowser #webPages

    https://vivaldi.com/blog/tips/tip-763/

  16. JAWS Hot Key Help makes it easy to find the right commands when you need them. Press INSERT+H (or CAPS LOCK+CTRL+SHIFT+H in Laptop layout) to display a list of context-sensitive shortcuts for the current application.

    It’s a helpful tool for new users, remembering forgotten keystrokes, learning commands in new programs, and discovering faster ways to complete everyday tasks.

    #JAWS #ScreenReader #ScreenReading

  17. JAWS Hot Key Help makes it easy to find the right commands when you need them. Press INSERT+H (or CAPS LOCK+CTRL+SHIFT+H in Laptop layout) to display a list of context-sensitive shortcuts for the current application.

    It’s a helpful tool for new users, remembering forgotten keystrokes, learning commands in new programs, and discovering faster ways to complete everyday tasks.

    #JAWS #ScreenReader #ScreenReading

  18. JAWS Hot Key Help makes it easy to find the right commands when you need them. Press INSERT+H (or CAPS LOCK+CTRL+SHIFT+H in Laptop layout) to display a list of context-sensitive shortcuts for the current application.

    It’s a helpful tool for new users, remembering forgotten keystrokes, learning commands in new programs, and discovering faster ways to complete everyday tasks.

    #JAWS #ScreenReader #ScreenReading

  19. JAWS Hot Key Help makes it easy to find the right commands when you need them. Press INSERT+H (or CAPS LOCK+CTRL+SHIFT+H in Laptop layout) to display a list of context-sensitive shortcuts for the current application.

    It’s a helpful tool for new users, remembering forgotten keystrokes, learning commands in new programs, and discovering faster ways to complete everyday tasks.

    #JAWS #ScreenReader #ScreenReading

  20. JAWS Hot Key Help makes it easy to find the right commands when you need them. Press INSERT+H (or CAPS LOCK+CTRL+SHIFT+H in Laptop layout) to display a list of context-sensitive shortcuts for the current application.

    It’s a helpful tool for new users, remembering forgotten keystrokes, learning commands in new programs, and discovering faster ways to complete everyday tasks.

    #JAWS #ScreenReader #ScreenReading

  21. Want JAWS to read the seconds along with the time? Press Ctrl + Insert + F12 and JAWS will announce the time down to the second. On laptop layout, use
    Ctrl + Caps Lock + F12 instead.
    Handy when you need to time something precisely or sync up with someone on a call.
    #BitsTips #BlindTech #Accessibility #JAWS #ScreenReader

  22. Want JAWS to read the seconds along with the time? Press Ctrl + Insert + F12 and JAWS will announce the time down to the second. On laptop layout, use
    Ctrl + Caps Lock + F12 instead.
    Handy when you need to time something precisely or sync up with someone on a call.
    #BitsTips #BlindTech #Accessibility #JAWS #ScreenReader

  23. Want JAWS to read the seconds along with the time? Press Ctrl + Insert + F12 and JAWS will announce the time down to the second. On laptop layout, use
    Ctrl + Caps Lock + F12 instead.
    Handy when you need to time something precisely or sync up with someone on a call.
    #BitsTips #BlindTech #Accessibility #JAWS #ScreenReader

  24. Want JAWS to read the seconds along with the time? Press Ctrl + Insert + F12 and JAWS will announce the time down to the second. On laptop layout, use
    Ctrl + Caps Lock + F12 instead.
    Handy when you need to time something precisely or sync up with someone on a call.
    #BitsTips #BlindTech #Accessibility #JAWS #ScreenReader

  25. Sharky Shortcuts! The JAWS Find command is a useful way to quickly locate content within the current screen or virtual document.

    Press CTRL+INSERT+F (desktop) or CAPS LOCK+CTRL+F (laptop) to search for specific text or even labeled graphics. This allows you to jump directly to relevant content, improving efficiency and reducing the need to navigate sequentially.

    Use INSERT+F3 (CAPS LOCK+F3 on a laptop) to move through additional matches.

    #JAWS #VisperoTraining #SharkyShortcut

  26. Want to jump into JAWS settings or tools quickly?

    Press INSERT+J to open the JAWS main window (or CAPS LOCK+CTRL+SHIFT+J on the Laptop layout). From there, you can:

    - Open Settings and Options
    - Launch tools like Settings Center, Dictionary Manager, or Keyboard Manager
    - Check license status or activate JAWS
    - Access help and documentation
    - Exit or restart JAWS

    Want to learn more? Check out this archive training podcast: freedomscientifictraining.libs

    #Sharky #JAWS #VisperoTraining #ScreenReader

  27. UNIX Fourth Edition on SIMH v3.12-5

    UNIX v4 was officially released for the DEC PDP-11/45 computers on November 1973, when those computers were the only computers eligible for this version of UNIX. Since then, it was thought to be lost until November 7th when the tape has been rediscovered. Apparently, this tape was sitting somewhere in one of the storage rooms in the University of Utah.

    The Computer History Museum has further handled this by letting bitsavers.org conduct the recovery process, where the tape has been successfully recovered to a raw tape, which has then been uploaded publicly to the Internet Archive for publication, and the installation instructions were then laid out for simh.

    So, we have followed the instructions on how to set up a minimal UNIX v4 system on an Arch Linux host using simh version v3.12-5. First, we have downloaded the system tape files.

     [aptivi@archapt ~]$ mkdir uv4  [aptivi@archapt ~]$ cd uv4  [aptivi@archapt uv4]$ wget squoze.net/UNIX/v4/disk.rk  --2026-04-01 13:56:49--  squoze.net/UNIX/v4/disk.rk  Resolving squoze.net (squoze.net)... 93.128.9.138  Connecting to squoze.net (squoze.net)|93.128.9.138|:80... connected.  HTTP request sent, awaiting response... 200 OK  Length: 2494464 (2.4M) [application/octet-stream]  Saving to: ‘disk.rk’   disk.rk                       100%[================================================>]   2.38M   511KB/s    in 5.8s       2026-04-01 13:56:55 (423 KB/s) - ‘disk.rk’ saved [2494464/2494464]   [aptivi@archapt uv4]$ wget squoze.net/UNIX/v4/unix_v4.tap  --2026-04-01 13:57:47--  squoze.net/UNIX/v4/unix_v4.tap  Resolving squoze.net (squoze.net)... 93.128.9.138  Connecting to squoze.net (squoze.net)|93.128.9.138|:80... connected.  HTTP request sent, awaiting response... 200 OK  Length: 2572452 (2.5M) [application/octet-stream]  Saving to: ‘unix_v4.tap’   unix_v4.tap                   100%[================================================>]   2.45M   332KB/s    in 6.9s       2026-04-01 13:57:54 (365 KB/s) - ‘unix_v4.tap’ saved [2572452/2572452]   [aptivi@archapt uv4]$ wget squoze.net/UNIX/v4/install.ini  --2026-04-01 13:58:00--  squoze.net/UNIX/v4/install.ini  Resolving squoze.net (squoze.net)... 93.128.9.138  Connecting to squoze.net (squoze.net)|93.128.9.138|:80... connected.  HTTP request sent, awaiting response... 200 OK  Length: 68 [text/plain]  Saving to: ‘install.ini’   install.ini                   100%[================================================>]      68  --.-KB/s    in 0s         2026-04-01 13:58:00 (10.9 MB/s) - ‘install.ini’ saved [68/68] 

    Afterwards, we have installed UNIX v4 files from the installation tape. The install.ini file contained the following contents:

     set cpu 11/45  att rk0 disk.rk  att tm0 unix_v4.tap  d sr 2  boot -o tm 

    We had to use the mcopy command to install the system to the rk disk, then use uboot, with writing k and unix to boot to the installed kernel. Depending on your host distribution, the executable file for running the PDP11 simulator is either simh-pdp11 or pdp11.

     [aptivi@archapt uv4]$ simh-pdp11 install.ini   PDP-11 simulator V3.12-5  Disabling XQ  =mcopy  'p' for rp; 'k' for rk  k  disk offset  0  tape offset  75  count  4000  =uboot  k  unix  mem = 64530   login: root  # ls  bin  dev  etc  lib  mnt  tmp  unix  usr  # sync  #   Simulation stopped, PC: 002040 (MOV (SP)+,177776)  sim> exit  Goodbye 

    The Unix files have been successfully written to the rk disk, so we need to boot to Unix from it with boot.ini as the configuration file for simh.

    Hint: CTRL + D to log out from your user account. CTRL + E to stop the simulation.

     set cpu 11/45  set tc en  att rk0 disk.rk  d sr 2  boot rk 

    Again, we have to write both k and unix to boot to the kernel.

     [aptivi@archapt uv4]$ wget http://squoze.net/UNIX/v4/boot.ini  --2026-04-01 13:59:55--  squoze.net/UNIX/v4/boot.ini  Resolving squoze.net (squoze.net)... 93.128.9.138  Connecting to squoze.net (squoze.net)|93.128.9.138|:80... connected.  HTTP request sent, awaiting response... 200 OK  Length: 76 [text/plain]  Saving to: ‘boot.ini’   boot.ini                      100%[================================================>]      76  --.-KB/s    in 0s         2026-04-01 13:59:55 (13.3 MB/s) - ‘boot.ini’ saved [76/76]   [aptivi@archapt uv4]$ simh-pdp11 boot.ini   PDP-11 simulator V3.12-5  Disabling XQ  k  unix  mem = 64530   login: root  # 

    Now, we need to make device files for tape disk controllers using /etc/mknod and create them on /dev. This is needed to be able to read tapes on the installed system. They will be persistent across reboots.

     # chdir /dev  # /etc/mknod mt0 b 2 0  # /etc/mknod tap0 b 1 0  # /etc/mknod tap1 b 1 1  # /etc/mknod tap2 b 1 2  # /etc/mknod tap3 b 1 3  # sync  #   Simulation stopped, PC: 002040 (MOV (SP)+,177776) 

    Now that we have the tape device files, we can now read from tapes. We will recompile the kernel to integrate the enhanced rk driver. After the recompilation, we’ll reboot the system to the new kernel and create device files for rk.

     [aptivi@archapt uv4]$ wget http://squoze.net/UNIX/v4/sys.tp  --2026-04-01 14:02:21--  squoze.net/UNIX/v4/sys.tp  Resolving squoze.net (squoze.net)... 93.128.9.138  Connecting to squoze.net (squoze.net)|93.128.9.138|:80... connected.  HTTP request sent, awaiting response... 200 OK  Length: 17408 (17K) [application/octet-stream]  Saving to: ‘sys.tp’   sys.tp                        100%[================================================>]  17.00K  8.45KB/s    in 2.0s       2026-04-01 14:02:25 (8.45 KB/s) - ‘sys.tp’ saved [17408/17408]   [aptivi@archapt uv4]$ simh-pdp11 boot.ini   PDP-11 simulator V3.12-5  Disabling XQ  k  unix  mem = 64530   login: root  #   Simulation stopped, PC: 002040 (MOV (SP)+,177776)  boot.ini> # type k  Unknown command  boot.ini> # type unix  Unknown command  sim> att tc1 sys.tp  TC1: 16b format, buffering file in memory  sim> c   # chdir /usr/sys  # tp 1t  run  dmr/run  dmr/rk.c  ken/run  conf/conf.c     5 entries     9 used   544 free    33 last  END  # chdir /usr/sys/dmr  # mv rk.c rk.c.orig  # chdir ../  # rm -f conf/conf.c  # tp 1x  END  # sh run  alloc.c:  clock.c:  fio.c:  iget.c:  main.c:  nami.c:  prf.c:  rdwri.c:  sig.c:  60: Warning: assignment understood  61: Warning: assignment understood  slp.c:  subr.c:  sys1.c:  sys2.c:  sys3.c:  sys4.c:  sysent.c:  text.c:  trap.c:  bio.c:  cat.c:  dc.c:  dh.c:  dhdm.c:  dhfdm.c:  dn.c:  dp.c:  dv.c:  kl.c:  lp.c:  malloc.c:  mem.c:  partab.c:  pc.c:  pipe.c:  rf.c:  rk.c:  rp.c:  tc.c:  tm.c:  tty.c:  vs.c:  vt.c:  # mv a.out /unix  /unix: 0644 mode y  # sync  #   Simulation stopped, PC: 002040 (MOV (SP)+,177776)  sim> exit  Goodbye  TC1: writing buffer to file  [aptivi@archapt uv4]$ simh-pdp11 boot.ini   PDP-11 simulator V3.12-5  Disabling XQ  k  unix  mem = 64529   login: root  # chdir /dev  # rm -f null  # /etc/mknod mem c 1 0  # /etc/mknod kmem c 1 1  # /etc/mknod null c 1 2  # /etc/mknod rk0 b 0 0  # /etc/mknod rk1 b 0 1  # /etc/mknod rk2 b 0 2  # /etc/mknod rk3 b 0 3  # ls -l  total 0  crw-rw-rw- 1 root    1,  1 Jun 12 19:54 kmem  crw-rw-rw- 1 root    1,  0 Jun 12 19:54 mem  brw-rw-rw- 1 root    2,  0 Jun 12 19:52 mt0  crw-rw-rw- 1 root    1,  2 Jun 12 19:54 null  brw-rw-rw- 1 root    0,  0 Jun 12 19:54 rk0  brw-rw-rw- 1 root    0,  1 Jun 12 19:54 rk1  brw-rw-rw- 1 root    0,  2 Jun 12 19:54 rk2  brw-rw-rw- 1 root    0,  3 Jun 12 19:54 rk3  brw-rw-rw- 1 root    1,  0 Jun 12 19:52 tap0  brw-rw-rw- 1 root    1,  1 Jun 12 19:52 tap1  brw-rw-rw- 1 root    1,  2 Jun 12 19:52 tap2  brw-rw-rw- 1 root    1,  3 Jun 12 19:52 tap3  crw--w--w- 1 root    0,  0 Jun 12 19:55 tty8  # ps a   0     0 ???d??H??`?? ak??Z? ????? k?  ?     0     1 /etc/init     8     7 -     8    17 ps a      0     6 /etc/update    # 

    To verify that the new driver works properly, we’ll copy the UNIX source code to the second rk disk. We’ll then make it as a mount point as /usr/source for the source code files that will be located there.

     sim> att tm0 src.tap  TM: creating new file  sim> att rk1 src.rk  RK: creating new file  sim> c   # /etc/mkfs /dev/rk1 4872  isize = 103  # /etc/mount /dev/rk1 /mnt  # chdir /usr/source  # tp mr *   256 entries  1194 used  1256 last  END  # tp mt  s1/ac.c  s1/ar.s  s1/as11.s  s1/as12.s  s1/as13.s  s1/as14.s  s1/as15.s  s1/as16.s  s1/as17.s  s1/as18.s  s1/as19.s  s1/as21.s  s1/as22.s  s1/as23.s  s1/as24.s  s1/as25.s  s1/as26.s  s1/as27.s  s1/as28.s  s1/as29.s  s1/bas0.s  s1/bas1.s  s1/bas2.s  s1/bas3.s  s1/bas4.s  s1/bas5.s  s1/basx.s  s1/cal.c  s1/cat.s  s1/cc.c  s1/cdb.c  s1/check.c  s1/chmod.c  s1/chown.s  s1/clri.s  s1/cmp.s  s1/comm.c  s1/cp.c  s1/date.c  s1/db1.s  s1/db2.s  s1/db3.s  s1/db4.s  s1/dc1.s  s1/dc2.s  s1/dc3.s  s1/dc4.s  s1/dc5.s  s1/dd.c  s1/df.c  s1/diff1.c  s1/diff2.s  s1/dsw.s  s1/du.s  s1/dump.c  s1/echo.c  s1/ed1.s  s1/ed2.s  s1/ed3.s  s1/exit.c  s1/fc.c  s1/fed1.s  s1/fed2.s  s1/fed3.s  s1/find.c  s1/form1.s  s1/form2.s  s1/form3.s  s1/form4.s  s1/form5.s  s1/form6.s  s1/getty.s  s1/glob.c  s1/goto.c  s1/grep.s  s1/if.c  s1/init.c  s1/kill.s  s1/ld1.s  s1/ld2.s  s1/ldx.s  s1/ln.c  s1/login.c  s1/lpd.s  s1/lpr.c  s1/ls.c  s2/mail.c  s2/mesg.s  s2/mkdir.s  s2/mkfs.c  s2/mknod.c  s2/mount.c  s2/msh.s  s2/mv.c  s2/nice.c  s2/nm.c  s2/nohup.c  s2/od.c  s2/passwd.s  s2/pfe.s  s2/pr.c  s2/prof.c  s2/ps.c  s2/pwd.c  s2/restor.c  s2/rew.s  s2/rm.c  s2/rmdir.s  s2/sa.c  s2/sh.c  s2/size.c  s2/sleep.c  s2/sort.c  s2/split.c  s2/strip.s  s2/stty.c  s2/su.c  s2/sum.s  s2/sync.c  s2/tee.c  s2/time.s  s2/tp1.s  s2/tp2.s  s2/tp3.s  s2/tp4.s  s2/tr.c  s2/tty.s  s2/typo.c  s2/umount.c  s2/uniq.c  s2/update.s  s2/wc.c  s2/who.c  s2/write.s  s3/atan.s  s3/atof.s  s3/atoi.s  s3/compar.s  s3/crypt.s  s3/ctime.c  s3/dpadd.s  s3/ecvt.s  s3/exp.s  s3/fakfp.s  s3/fp1.s  s3/fp2.s  s3/fp3.s  s3/fpx.s  s3/gamma.s  s3/get.s  s3/hypot.s  s3/ldiv.s  s3/log.s  s3/mesg.s  s3/mon.s  s3/nlist.s  s3/pow.s  s3/put.s  s3/qsort.s  s3/rand.s  s3/sin.s  s3/sqrt.s  s3/switch.s  s3/ttyn.s  s4/abort.s  s4/atan.s  s4/atan2.s  s4/atof.s  s4/chdir.s  s4/chmod.s  s4/chown.s  s4/close.s  s4/cos.s  s4/crand.s  s4/creat.s  s4/crt0.s  s4/crypt.s  s4/dup.s  s4/ecvt.s  s4/errlst.c  s4/execl.s  s4/execv.s  s4/exit.s  s4/exp.s  s4/ffltpr.s  s4/floor.s  s4/fltpr.s  s4/fmod.s  s4/fork.s  s4/fstat.s  s4/gamma.s  s4/getc.s  s4/getchr.s  s4/getcsw.s  s4/getgid.s  s4/getpw.c  s4/getuid.s  s4/gtty.s  s4/hmul.s  s4/hsw.s  s4/kill.s  s4/link.s  s4/locv.s  s4/log.s  s4/ltod.s  s4/makdir.s  s4/mcrt0.s  s4/mdate.s  s4/mknod.s  s4/mon.c  s4/mount.s  s4/nargs.s  s4/nice.s  s4/nlist.s  s4/open.s  s4/perror.c  s4/pipe.s  s4/pow.s  s4/printf.s  s4/prof.s  s4/putc.s  s4/putchr.s  s4/qsort.c  s4/read.s  s4/reset.s  s4/retrn.s  s4/rin.c  s4/rsave.s  s4/sbrk.s  s4/seek.s  s4/setgid.s  s4/setuid.s  s4/signal.s  s4/sin.s  s4/sleep.s  s4/sqrt.s  s4/ssw.s  s4/stat.s  s4/stime.s  s4/stty.s  s4/switch.s  s4/sync.s  s4/time.s  s4/times.s  s4/umount.s  s4/unlink.s  s4/wait.s  s4/write.s  s7/roff1.s  s7/roff2.s  s7/roff3.s  s7/roff4.s  s7/roff5.s  s7/roff7.s  s7/roff8.s  s7/suftab.s   256 entries  1194 used  1256 last  END  # chdir /mnt  # mkdir s1 s2 s3 s4 s7  # chown bin *  # chmod 755 *  # tp mx  END  # chdir /usr/source/s1  # rm -f [a-f]*  # rm -f *  # chdir ../s2  # rm -f *  # chdir ../s3  # rm -f *  # chdir ../s4  # rm -f [a-f]*  # rm -f *  # chdir ../s7  # rm -f *  # chdir ..  # rmdir *  # chdir /  # /etc/umount /dev/rk1  # /etc/mount /dev/rk1 /usr/source  # ed /etc/rc  70  $  /etc/update  i  /etc/mount /dev/rk1 /usr/source  .  w  102  q  #  

    Adding users to this system isn’t as straightforward as the modern Unix distributions; you’ll need to directly modify the /etc/passwd file to add a new entry that contains a new user, aptivi.

     # ed /etc/passwd  30  $  bin::3:1::/bin:  a  aptivi::10:1::/usr/aptivi:  .  w  57  q  # mkdir /usr/aptivi  # chown aptivi /usr/aptivi  #   login: aptivi  % who  aptivi  tty8 Jun 12 20:03  %   login: root  # passwd aptivi test  #   login: aptivi  Password:   % 

    As the site that provided us this tutorial claimed that we can install the B programming language compiler, but our tests have failed due to errors in the installation process.

     [aptivi@archapt uv4]$ wget http://squoze.net/B/b.tp  --2026-04-01 14:15:13--  squoze.net/B/b.tp  Resolving squoze.net (squoze.net)... 93.128.9.138  Connecting to squoze.net (squoze.net)|93.128.9.138|:80... connected.  HTTP request sent, awaiting response... 200 OK  Length: 137216 (134K) [application/octet-stream]  Saving to: ‘b.tp’   b.tp                          100%[================================================>] 134.00K   168KB/s    in 0.8s       2026-04-01 14:15:14 (168 KB/s) - ‘b.tp’ saved [137216/137216]   [aptivi@archapt uv4]$ simh-pdp11 boot.ini   PDP-11 simulator V3.12-5  Disabling XQ  k  unix  mem = 64529   login: root  #   Simulation stopped, PC: 002040 (MOV (SP)+,177776)  boot.ini> # type k  Unknown command  boot.ini> # type unix  Unknown command  sim> at tc0 b.tp  TC0: 16b format, buffering file in memory  sim> c   # mkdir /usr/b  # chdir /usr/b  # mkdir bilib libb  # chown bin *  # chmod 755 *  # tp 0x  END  # sh install  libb.a: non existent  chdir  chmod  chown  close  creat  ctime  execl  execv  exit  fork  fstat  getchr  getuid  gtty  lchar  link  makdir  open  printf  printn  putchr  read  seek  setuid  sleep  stat  stty  time  unlink  wait  write  char  bilib.a: non existent  a  b1  b10  b102  b103  b11  b112  b113  b114  b115  b116  b117  b12  b120  b13  b14  b15  b16  b17  b2  b20  b3  b4  b5  b6  b7  c  f  n11  n123  n4  n6  n7  s  t  u10  u2  u3  u4  u5  u6  u7  va  vx  x  y  z  brt1  brt2  bc  File not found: /usr/lib/bilib.a  un: s  un: x  un: c  un: n4  un: b7  un: f  un: ix  un: n2  un: vx  un: t  un: n3  un: ivx  un: b1  un: u4  un: n1  un: b5  un: n11  un: va  un: iva  un: u10  un: u7  un: a  un: ia  un: b4  un: b14  un: b2  un: n6  un: z  un: b11  un: b114  un: u3  un: b3  un: b10  un: b15  un: b17  un: u5  un: y  un: u2  un: u6  un: b6  un: b116  un: b117  un: n7  un: ic  un: b103  un: b13  un: b20  un: b16  ba  File not found: /usr/lib/bilib.a  un: y  un: s  un: x  un: c  un: n4  un: b7  un: f  un: ix  un: n2  un: vx  un: t  un: n3  un: ivx  un: b1  un: iva  un: n1  un: b11  un: ia  un: z  un: n6  un: a  un: b17  un: b14  un: va  un: b114  un: u7  un: b5  un: b4  un: b15  un: u6  un: u3  un: n11  un: b3  un: u10  un: b10  un: b2  un: u2  un: n7  un: ic  un: b20  un: b16  B  i  Bus error -- Core dumped  Source file non-existent  B  i  Bus error -- Core dumped  Source file non-existent  #  

    Other than this error when it comes to the B programming language, the Unix system works.

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