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awbThanks to whomever designed fuser(1M) in SVR3! The way stdout and stderr are split is exemplary and makes using it in scripts very easy. POSIX kept that design and both the GNU and BSD versions still behave the same way.<a href="https://mastodon.sdf.org/tags/unix" class="mention hashtag" rel="nofollow noopener" target="_blank">#unix</a> <a href="https://mastodon.sdf.org/tags/posix" class="mention hashtag" rel="nofollow noopener" target="_blank">#posix</a> <a href="https://mastodon.sdf.org/tags/linux" class="mention hashtag" rel="nofollow noopener" target="_blank">#linux</a> <a href="https://mastodon.sdf.org/tags/bsd" class="mention hashtag" rel="nofollow noopener" target="_blank">#bsd</a>

Lars WirzeniusI wrote this little text about Unix command line conventions about three years ago. I refer people to it occasionally so I don't need to repeat myself.<a href="https://blog.liw.fi/posts/2022/05/07/unix-cli/" rel="nofollow noopener" translate="no" target="_blank">https://blog.liw.fi/posts/2022/05/07/unix-cli/</a><a href="https://toot.liw.fi/tags/Unix" class="mention hashtag" rel="nofollow noopener" target="_blank">#Unix</a> <a href="https://toot.liw.fi/tags/commandLine" class="mention hashtag" rel="nofollow noopener" target="_blank">#commandLine</a> <a href="https://toot.liw.fi/tags/options" class="mention hashtag" rel="nofollow noopener" target="_blank">#options</a>

ICMThe Pig and her poster have been reunited. MissPiggy ran XENIX-11 at Microsoft from 1979 to 1987. These days, misspiggy runs Version 7 UNIX from which XENIX was derived and its disks are virtualized so they can run under simulation and the real hardware.Please support our preservation efforts at <a href="https://icm.museum" rel="nofollow noopener" target="_blank">https://icm.museum</a>We have a partial backup of MissPiggy and one day hope to run XENIX-11 on it once again.<a href="https://mastodon.sdf.org/tags/community" class="mention hashtag" rel="nofollow noopener" target="_blank">#community</a> <a href="https://mastodon.sdf.org/tags/vintagecomputing" class="mention hashtag" rel="nofollow noopener" target="_blank">#vintagecomputing</a> <a href="https://mastodon.sdf.org/tags/retrocomputing" class="mention hashtag" rel="nofollow noopener" target="_blank">#retrocomputing</a> <a href="https://mastodon.sdf.org/tags/unix" class="mention hashtag" rel="nofollow noopener" target="_blank">#unix</a> <a href="https://mastodon.sdf.org/tags/microsoft" class="mention hashtag" rel="nofollow noopener" target="_blank">#microsoft</a> <a href="https://mastodon.sdf.org/tags/history" class="mention hashtag" rel="nofollow noopener" target="_blank">#history</a>

Kevin Karhan :verified:<a href="https://lea.pet/@lea" class="u-url mention" rel="nofollow noopener" target="_blank">@lea</a> I think <a href="https://infosec.space/tags/PowerShell" class="mention hashtag" rel="nofollow noopener" target="_blank">#PowerShell</a> is more <a href="https://infosec.space/tags/cursed" class="mention hashtag" rel="nofollow noopener" target="_blank">#cursed</a> than any other <a href="https://infosec.space/tags/shell" class="mention hashtag" rel="nofollow noopener" target="_blank">#shell</a> becaise <a href="https://infosec.space/tags/Microsoft" class="mention hashtag" rel="nofollow noopener" target="_blank">#Microsoft</a> can't be assed to have any consistency and one gets commands that look like <code>CamelCase.command-network.option -flag --another option +includeThis +-excludeThat :user</code>And it's worse than <a href="https://infosec.space/tags/MSDOS" class="mention hashtag" rel="nofollow noopener" target="_blank">#MSDOS</a> / <code>cmd.exe</code>, <code>sh</code> <code>tcsh</code> & <code>ksh</code> combined because it mixes up <a href="https://infosec.space/tags/DOS" class="mention hashtag" rel="nofollow noopener" target="_blank">#DOS</a> / <a href="https://infosec.space/tags/CPM" class="mention hashtag" rel="nofollow noopener" target="_blank">#CPM</a>-Style, <a href="https://infosec.space/tags/UNIX" class="mention hashtag" rel="nofollow noopener" target="_blank">#UNIX</a>-style and whatever the fuck the peoole.who designed the <a href="https://infosec.space/tags/Refistry" class="mention hashtag" rel="nofollow noopener" target="_blank">#Refistry</a> in <a href="https://infosec.space/tags/Windows" class="mention hashtag" rel="nofollow noopener" target="_blank">#Windows</a> felt like that particular day...<ul><li>Makes me so fucking angry!</li></ul><a href="https://infosec.space/tags/Funfact" class="mention hashtag" rel="nofollow noopener" target="_blank">#Funfact</a>: I needed <a href="https://lea.pet/notes/aa227u55zn" rel="nofollow noopener" target="_blank">less code than that</a> to build my first bootable version of <a href="https://infosec.space/@OS1337" class="u-url mention" rel="nofollow noopener" target="_blank">@OS1337</a> just by comparison!

Martin BishopIn v5 <a href="https://mastodon.social/tags/Unix" class="mention hashtag" rel="nofollow noopener" target="_blank">#Unix</a> (~1974), Ken Thompson modified 'sort' to accept the special filename '-' as standard input (e.g. 'echo "zebra" | sort - file.txt'). The '-' convention soon spread to many other Unix commands, becoming a standard way to represent stdin Via @unix_byte

Kris Dreemurr (they/them) of the Pnictogen Wing<a href="https://meow.social/tags/BeOS" class="mention hashtag" rel="nofollow noopener" target="_blank">#BeOS</a>. Surely it's won some kind of symbolic war with <a href="https://meow.social/tags/Apple" class="mention hashtag" rel="nofollow noopener" target="_blank">#Apple</a>. It's almost as if Jean-Paul Gassée knew that the only thing which could possibly trump Steve Jobs's coöption of "the Western canon" and its greatest symbolic treasures was to simplify even further. Be! It's not just an element on the periodic table, it's a command. EXIST! Be incorporated, Be, Incorporated! It's a triumph of marketing and it's saved <a href="https://meow.social/tags/HaikuOS" class="mention hashtag" rel="nofollow noopener" target="_blank">#HaikuOS</a>, which keeps its small flame burning. It's the most promising escape from the <a href="https://meow.social/tags/UNIX" class="mention hashtag" rel="nofollow noopener" target="_blank">#UNIX</a> mire, in my opinion, a way towards something less hairy and intimidating yet modular and accessible in its range of features.But I speak as a convert, a former <a href="https://meow.social/tags/BeOS" class="mention hashtag" rel="nofollow noopener" target="_blank">#BeOS</a> developer. It was ever so long ago, in my post-<a href="https://meow.social/tags/Caltech" class="mention hashtag" rel="nofollow noopener" target="_blank">#Caltech</a> years, and I find myself wondering if someone at 'Tech didn't decide to keep spying on what I was doing. I would have made it easy for them; I went on using my UGCS email address for years.And I propose to help them out, magically! An alchemical ritual to strengthen the elemental aspects of Be and BeOS.~Chara

Paolo AmorosoI use the Unix text formatting tool "fmt" only occasionally but when I do it really comes in handy. This is an introduction to fmt by <a href="https://fosstodon.org/@freedosproject" class="u-url mention" rel="nofollow noopener" target="_blank">@freedosproject</a> Jim Hall.<a href="https://technicallywewrite.com/2024/04/05/unixfmt" rel="nofollow noopener" translate="no" target="_blank">https://technicallywewrite.com/2024/04/05/unixfmt</a><a href="https://oldbytes.space/tags/unix" class="mention hashtag" rel="nofollow noopener" target="_blank">#unix</a> <a href="https://oldbytes.space/tags/linux" class="mention hashtag" rel="nofollow noopener" target="_blank">#linux</a> <a href="https://oldbytes.space/tags/tools" class="mention hashtag" rel="nofollow noopener" target="_blank">#tools</a>

AdamDetermine Which Linux/Unix Init System is Being UsedJoin this investigative adventure to determine the init system being used on GNU/Linux or Unix operating system using illustrated command examples.<a href="https://www.adamsdesk.com/posts/determine-init-system-use/" rel="nofollow noopener" translate="no" target="_blank">https://www.adamsdesk.com/posts/determine-init-system-use/</a><a href="https://fosstodon.org/tags/blog" class="mention hashtag" rel="nofollow noopener" target="_blank">#blog</a> <a href="https://fosstodon.org/tags/linux" class="mention hashtag" rel="nofollow noopener" target="_blank">#linux</a> <a href="https://fosstodon.org/tags/unix" class="mention hashtag" rel="nofollow noopener" target="_blank">#unix</a> <a href="https://fosstodon.org/tags/commandline" class="mention hashtag" rel="nofollow noopener" target="_blank">#commandline</a> <a href="https://fosstodon.org/tags/terminal" class="mention hashtag" rel="nofollow noopener" target="_blank">#terminal</a> <a href="https://fosstodon.org/tags/OpenSource" class="mention hashtag" rel="nofollow noopener" target="_blank">#OpenSource</a>

BastilleBSD :freebsd:📟 Do you remember the first command line you ever typed? What was it and on which system?<a href="https://fosstodon.org/tags/ThrowbackThursday" class="mention hashtag" rel="nofollow noopener" target="_blank">#ThrowbackThursday</a> <a href="https://fosstodon.org/tags/unix" class="mention hashtag" rel="nofollow noopener" target="_blank">#unix</a> <a href="https://fosstodon.org/tags/FreeBSD" class="mention hashtag" rel="nofollow noopener" target="_blank">#FreeBSD</a>

Serge from BabkaFor all the talk about how composable the Unix shells are, they aren't...Whitespace, inconsistent arguments, lack of output formats...Before anyone calls me a newbie etc.- I've used Unix since 1997, starting with Linux, but also FreeBSD, Solaris and SGI Unix and I was a professional Unix sys-admin from 1999-2012.We get used to the oddities, but they're still present.<a href="https://babka.social/tags/Unix" class="mention hashtag" rel="nofollow noopener" target="_blank">#Unix</a>

Grumpy Old Techie 🕊️Things I like about FreeBSD: "You can tune a file system, but you cannot tune a fish."is still listed as a bug in the tunefs man page on FreeBSD 14.3 I first saw it more that 30 years ago on SunOS that was BSD based at the time.<a href="https://hostux.social/tags/FreeBSD" class="mention hashtag" rel="nofollow noopener" target="_blank">#FreeBSD</a> <a href="https://hostux.social/tags/filesystem" class="mention hashtag" rel="nofollow noopener" target="_blank">#filesystem</a> <a href="https://hostux.social/tags/unix" class="mention hashtag" rel="nofollow noopener" target="_blank">#unix</a> <a href="https://hostux.social/tags/sunos" class="mention hashtag" rel="nofollow noopener" target="_blank">#sunos</a>

Justine SmithiesHelp ! Really trying to ignore those voices in my head egging me on to try <a href="https://snac.smithies.me.uk?t=9front" class="mention hashtag" rel="nofollow noopener" target="_blank">#9front</a> . Why would I want to put myself through that ? Why can't I just settle on one thing at a time !? 🙃 <a href="https://snac.smithies.me.uk?t=unix" class="mention hashtag" rel="nofollow noopener" target="_blank">#Unix</a>

std::mem::justsoupWow. Is cicada the best old-style (read POSIX-like) shell I have ever found? Does exactly what it needs to without extras. No functions, no frills, just a terminal prompt for interactive use. If you need to run a shell script, you are better off using a shell (pretty much) built for that like Dash or Busybox ash.<a href="https://github.com/mitnk/cicada" rel="nofollow noopener" translate="no" target="_blank">https://github.com/mitnk/cicada</a><a href="https://mstdn.social/tags/CicadaShell" class="mention hashtag" rel="nofollow noopener" target="_blank">#CicadaShell</a> <a href="https://mstdn.social/tags/Unix" class="mention hashtag" rel="nofollow noopener" target="_blank">#Unix</a> <a href="https://mstdn.social/tags/Linux" class="mention hashtag" rel="nofollow noopener" target="_blank">#Linux</a>

Erik L. Midtsveen🏳️‍⚧️🏳️‍🌈That’s not just a mistake, that’s a house arrest level offense in the penguin community.<a href="https://social.linux.pizza/tags/Linux" class="mention hashtag" rel="nofollow noopener" target="_blank">#Linux</a> <a href="https://social.linux.pizza/tags/Unix" class="mention hashtag" rel="nofollow noopener" target="_blank">#Unix</a> <a href="https://social.linux.pizza/tags/Tux" class="mention hashtag" rel="nofollow noopener" target="_blank">#Tux</a> <a href="https://social.linux.pizza/tags/Windows" class="mention hashtag" rel="nofollow noopener" target="_blank">#Windows</a> <a href="https://social.linux.pizza/tags/MistakesWereMade" class="mention hashtag" rel="nofollow noopener" target="_blank">#MistakesWereMade</a>

Erik L. Midtsveen🏳️‍⚧️🏳️‍🌈Ah yes, the classic distro wars, and the usual Windows critics<a href="https://social.linux.pizza/tags/Distro" class="mention hashtag" rel="nofollow noopener" target="_blank">#Distro</a> <a href="https://social.linux.pizza/tags/Distribution" class="mention hashtag" rel="nofollow noopener" target="_blank">#Distribution</a> <a href="https://social.linux.pizza/tags/Unix" class="mention hashtag" rel="nofollow noopener" target="_blank">#Unix</a> <a href="https://social.linux.pizza/tags/Linux" class="mention hashtag" rel="nofollow noopener" target="_blank">#Linux</a> <a href="https://social.linux.pizza/tags/Debian" class="mention hashtag" rel="nofollow noopener" target="_blank">#Debian</a> <a href="https://social.linux.pizza/tags/ArchLinux" class="mention hashtag" rel="nofollow noopener" target="_blank">#ArchLinux</a> <a href="https://social.linux.pizza/tags/Arch" class="mention hashtag" rel="nofollow noopener" target="_blank">#Arch</a> <a href="https://social.linux.pizza/tags/Fedora" class="mention hashtag" rel="nofollow noopener" target="_blank">#Fedora</a> <a href="https://social.linux.pizza/tags/Ubuntu" class="mention hashtag" rel="nofollow noopener" target="_blank">#Ubuntu</a> <a href="https://social.linux.pizza/tags/Windows" class="mention hashtag" rel="nofollow noopener" target="_blank">#Windows</a> <a href="https://social.linux.pizza/tags/Humor" class="mention hashtag" rel="nofollow noopener" target="_blank">#Humor</a>

Erik L. Midtsveen🏳️‍⚧️🏳️‍🌈Sounds about right!<a href="https://social.linux.pizza/tags/Unix" class="mention hashtag" rel="nofollow noopener" target="_blank">#Unix</a> <a href="https://social.linux.pizza/tags/Linux" class="mention hashtag" rel="nofollow noopener" target="_blank">#Linux</a> <a href="https://social.linux.pizza/tags/Debian" class="mention hashtag" rel="nofollow noopener" target="_blank">#Debian</a> <a href="https://social.linux.pizza/tags/ArchLinux" class="mention hashtag" rel="nofollow noopener" target="_blank">#ArchLinux</a> <a href="https://social.linux.pizza/tags/Arch" class="mention hashtag" rel="nofollow noopener" target="_blank">#Arch</a> <a href="https://social.linux.pizza/tags/Fedora" class="mention hashtag" rel="nofollow noopener" target="_blank">#Fedora</a> <a href="https://social.linux.pizza/tags/Windows" class="mention hashtag" rel="nofollow noopener" target="_blank">#Windows</a> <a href="https://social.linux.pizza/tags/Humor" class="mention hashtag" rel="nofollow noopener" target="_blank">#Humor</a>

Fauve<a href="https://mastodon.social/@framaka" class="u-url mention" rel="nofollow noopener" target="_blank">@framaka</a> J’ai vu tard Jurassic Parc et je me souviens d’une scène où l’actrice adolescente principale était toute contente de voir des ordinateur ave « le dernier système Unix ».Comme le film est sorti dans les années 90 basses, je me demande encore si ça n’était pas une allusion à Linux.<a href="https://pouet.chapril.org/tags/linux" class="mention hashtag" rel="nofollow noopener" target="_blank">#linux</a> <a href="https://pouet.chapril.org/tags/jurassicParc" class="mention hashtag" rel="nofollow noopener" target="_blank">#jurassicParc</a> <a href="https://pouet.chapril.org/tags/unix" class="mention hashtag" rel="nofollow noopener" target="_blank">#unix</a> <a href="https://pouet.chapril.org/tags/90s" class="mention hashtag" rel="nofollow noopener" target="_blank">#90s</a>

Klaus Zimmermann :unverified:In my warmup for <a href="https://c.im/tags/OldComputerChallenge" class="mention hashtag" rel="nofollow noopener" target="_blank">#OldComputerChallenge</a> 25, I dusted off ol' pal <a href="https://c.im/tags/RaspberryPi" class="mention hashtag" rel="nofollow noopener" target="_blank">#RaspberryPi</a> model B and burned <a href="https://c.im/tags/NetBSD" class="mention hashtag" rel="nofollow noopener" target="_blank">#NetBSD</a> 10 on an SD card to set it up.It all went well (slow, but hey) but one thing that I still can't get around (that I didn't experience so much last time I tried it) is the console. Control chars get printed instead of arrow and home/end keys, no colors, etc. Hate to say it, but all in all, it feels backwards compared to a modern, full-fledged console environment of <a href="https://c.im/tags/FreeBSD" class="mention hashtag" rel="nofollow noopener" target="_blank">#FreeBSD</a> or Linux. And it's starting to wear me out.But I have a feeling that this is somehow my fault for not configuring the console properly or using the right output or something. I never had to deal with this before, so anybody knows how I can configure this so I can have a modern env in NetBSD?<a href="https://c.im/tags/unix" class="mention hashtag" rel="nofollow noopener" target="_blank">#unix</a> <a href="https://c.im/tags/askunix" class="mention hashtag" rel="nofollow noopener" target="_blank">#askunix</a>

𝕂𝚞𝚋𝚒𝚔ℙ𝚒𝚡𝚎𝚕Critical Sudo Vulnerabilities Let Local Users Gain Root Access on Linux, Impacting Major DistrosCybersecurity researchers have disclosed two security flaws in the Sudo command-line utility for Linux and Unix-like operating systems that could enable local attackers to escalate their privileges to root on susceptible machines.🐧 <a href="https://thehackernews.com/2025/07/critical-sudo-vulnerabilities-let-local.html" rel="nofollow noopener" translate="no" target="_blank">https://thehackernews.com/2025/07/critical-sudo-vulnerabilities-let-local.html</a><a href="https://chaos.social/tags/linux" class="mention hashtag" rel="nofollow noopener" target="_blank">#linux</a> <a href="https://chaos.social/tags/itsecurity" class="mention hashtag" rel="nofollow noopener" target="_blank">#itsecurity</a> <a href="https://chaos.social/tags/sudo" class="mention hashtag" rel="nofollow noopener" target="_blank">#sudo</a> <a href="https://chaos.social/tags/users" class="mention hashtag" rel="nofollow noopener" target="_blank">#users</a> <a href="https://chaos.social/tags/root" class="mention hashtag" rel="nofollow noopener" target="_blank">#root</a> <a href="https://chaos.social/tags/it" class="mention hashtag" rel="nofollow noopener" target="_blank">#it</a> <a href="https://chaos.social/tags/disclosure" class="mention hashtag" rel="nofollow noopener" target="_blank">#disclosure</a> <a href="https://chaos.social/tags/unix" class="mention hashtag" rel="nofollow noopener" target="_blank">#unix</a> <a href="https://chaos.social/tags/itsec" class="mention hashtag" rel="nofollow noopener" target="_blank">#itsec</a> <a href="https://chaos.social/tags/distros" class="mention hashtag" rel="nofollow noopener" target="_blank">#distros</a> <a href="https://chaos.social/tags/oss" class="mention hashtag" rel="nofollow noopener" target="_blank">#oss</a>

Will Berard 🫳🎤🫶There are all those theories on how to get root privileges on *nix systems...I think it's all sudo-science.<a href="https://mastodon.acm.org/tags/puns" class="mention hashtag" rel="nofollow noopener" target="_blank">#puns</a> <a href="https://mastodon.acm.org/tags/unix" class="mention hashtag" rel="nofollow noopener" target="_blank">#unix</a> <a href="https://mastodon.acm.org/tags/linux" class="mention hashtag" rel="nofollow noopener" target="_blank">#linux</a>

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