OpenBSD 8.0(openbsd.org)
440 points by privong | 157 comments
Official OpenBSD 8.0 release page with release date, artwork, mirror and errata links, changelog link, and signify public keys.
#unix on Hacker News
44 stories tagged unix, newest first.
What the heck is /pkg?(anderegg.ca)
73 points by GavinAnderegg | 16 comments
Blog post investigating the mysterious /pkg/env/global/bin PATH entry added in macOS 27.0, with background on path_helper and /etc/paths.
"Traditional, but Puzzling"(unsung.aresluna.org)
42 points by colinprince | 7 comments
Blog post on the Unsung software craft blog about a puzzling Unix error message seen by users in the 1990s and its history.
Plain text is still one of the best technologies we have(deadparrotbbs.com)
153 points by speckx | 73 comments
A blog post on Dead Parrot BBS arguing that plain text remains one of the most durable and useful computing technologies due to its longevity and openness.
OpenBSD Developers Reject Uutils Coreutils(news.lavx.hu)
23 points by pjmlp | 11 comments
News article reporting that OpenBSD developers rejected a port of the Rust-based uutils coreutils, citing licensing and compatibility concerns.
cp: -r or -R?(movq.de)
115 points by zdw | 104 comments
Blog post examining whether cp's -r and -R options ever differed, tracing GNU coreutils source history back to 1992.
Agents.md speaks Unix, and you should too(fmind.dev)
10 points by fmind-dev | 2 comments
Blog post by Médéric Hurier arguing that AGENTS.md files should guide coding agents using Unix tools, with lessons from his dotfiles and human review.
A shell colon does nothing. Use it anyway(refp.se)
370 points by olexsmir | 155 comments
Blog post by Filip Roséen explaining the POSIX shell colon (no-op) builtin and practical tricks for using it in shell scripts.
Moving beyond fork() + exec()(lwn.net)
337 points by jwilk | 323 comments
LWN article by Jonathan Corbet on a proposal for kernel "spawn templates" as an alternative process-creation primitive to fork() plus exec().
OpenBSD 7.9(openbsd.org)
356 points by bradley_taunt | 262 comments
Official OpenBSD 7.9 release page, released May 19, 2026, with mirror links, errata, changelog, release song, artwork, and signify public keys.
GTFOBins(gtfobins.org)
325 points by StefanBatory | 82 comments
GTFOBins is a curated list of Unix-like executables whose legitimate functions can be abused to bypass local security restrictions in misconfigured systems.
Shell Tricks That Make Life Easier (and Save Your Sanity)(blog.hofstede.it)
564 points by zdw | 246 comments
A blog post sharing practical Unix shell tricks and keyboard shortcuts for bash and other shells to speed up everyday terminal work.
Why I love FreeBSD(it-notes.dragas.net)
485 points by enz | 246 comments
A personal blog post on the IT Notes site explaining why the author loves the FreeBSD operating system.
What does " 2>&1 " mean?(stackoverflow.com)
392 points by alexmolas | 226 comments
Stack Overflow question explaining the shell redirection 2>&1, which sends standard error to the same destination as standard output.
Start all of your commands with a comma (2009)(rhodesmill.org)
628 points by theblazehen | 227 comments
Brandon Rhodes' 2009 blog post suggesting prefixing personal shell script names with a comma to avoid collisions with system commands.
Go away Python(lorentz.app)
374 points by baalimago | 339 comments
Blog post on lorentz.app about using Go programs as executable scripts via a shebang line instead of Python; screenshot shows only the site's landing header.
Screenshots from developers: 2002 vs. 2015 (2015)(anders.unix.se)
439 points by turrini | 217 comments
Blog post comparing desktop screenshots from well-known Unix developers like Brian Kernighan taken in 2002 and again in 2015.
A Love Letter to FreeBSD(tara.sh)
401 points by rbanffy | 266 comments
A personal blog post written as a love letter to FreeBSD, praising its coherent base system, boot environments, and long-term stability.
Unix v4 Tape Found(discuss.systems)
476 points by greatquux | 77 comments
Mastodon post by Rob Ricci reporting that staff found a tape containing UNIX v4 from Bell Labs (c. 1973), to be delivered to the Computer History Museum.
/dev/null is an ACID compliant database(jyu.dev)
564 points by swills | 175 comments
A humorous blog post arguing that /dev/null satisfies atomicity, consistency, isolation, and durability, making it an ACID-compliant database.
The earliest versions of the first C compiler known to exist(github.com)
351 points by diginova | 161 comments
GitHub repository containing source code of the earliest known versions of Dennis Ritchie's first C compiler (last1120c and prestruct).
1972 Unix V2 "Beta" Resurrected(tuhs.org)
407 points by henry_flower | 125 comments
A TUHS mailing list post describing the recovery of a working 1972 UNIX V2 "beta" system from Dennis Ritchie's s1/s2 DECtapes.
Why does man print "gimme gimme gimme" at 00:30? (2017)(unix.stackexchange.com)
952 points by jamesy0ung | 388 comments
A Unix & Linux Stack Exchange question asking why the man command printed "gimme gimme gimme" to stderr when run at 00:30.
Windows NT vs. Unix: A design comparison(blogsystem5.substack.com)
564 points by LorenDB | 488 comments
Julio Merino's Blog System/5 post comparing the design of Windows NT with Unix and asking what made NT advanced and whether that still holds.
We have reached OpenBSD of Theseus(marc.info)
394 points by nabla9 | 67 comments
OpenBSD CVS commit by Theo de Raadt replacing the Greek quiz file, the last unmodified file from the original 1995 OpenBSD import.
In the Beginning Was the Command Line (1999)(web.stanford.edu)
375 points by conanxin | 229 comments
Plain-text copy of Neal Stephenson's 1999 essay on operating systems, graphical interfaces, and the command line, hosted on a Stanford course site.
Start all of your commands with a comma (2009)(rhodesmill.org)
344 points by vmbrasseur | 140 comments
Brandon Rhodes' 2009 blog post suggesting prefixing personal shell script names with a comma to avoid collisions with system commands.
What Is PID 0?(blog.dave.tf)
344 points by todsacerdoti | 56 comments
Blog post by David Anderson explaining what PID 0 is in Unix/Linux, why it is hidden from userspace, and its role in booting and idle scheduling.
Enlightenmentware(mmapped.blog)
393 points by zaik | 195 comments
A blog post on the mmap(blog) site about 'enlightenmentware', software like UNIX, Git, Emacs, Boost.Graph and Bazel that changed how the author thinks about programming.
Helios: A distribution of Illumos powering the Oxide Rack(github.com)
402 points by eduction | 225 comments
GitHub repository for Helios, Oxide Computer's illumos-based operating system distribution that powers the Oxide Rack.
John Lasseter drew the BSD daemon logo(jacobelder.com)
390 points by jelder | 86 comments
Blog post by Jacob Elder noting that Toy Story director John Lasseter drew the BSD Daemon logo, illustrated with vintage Unix manuals.
Maestro: A Linux-compatible kernel in Rust(blog.lenot.re)
680 points by Uriopass | 294 comments
Blog post introducing Maestro, a Unix-like, Linux-compatible kernel and operating system written from scratch in Rust.
test, [, and [[ (2020)(jmmv.dev)
492 points by mattrighetti | 218 comments
Blog post by Julio Merino explaining the Unix test and [ binaries and how they differ from the shell's [[ builtin.
Things Every Hacker Once Knew (2017)(catb.org)
327 points by prakhar897 | 172 comments
Eric S. Raymond's essay on obsolete computing lore once common among hackers, covering modems, RS232, octal, terminals, ASCII, and pre-Internet networks.
CLI text processing with GNU awk(learnbyexample.github.io)
360 points by asicsp | 118 comments
Introductory chapter of the free online book 'CLI text processing with GNU awk', covering awk syntax and filtering examples.
Exploring the Internals of Linux v0.01(seiya.me)
458 points by ingve | 112 comments
A blog post walking through the source code and internals of Linux v0.01, the roughly 10,000-line first release of the Linux kernel.
Got called to a professor’s office after a complaint his SPARC4 was running slow(infosec.exchange)
957 points by luu | 247 comments
A Mastodon thread about a professor's slow SPARC workstation; the visible post is John Regehr sharing a screenshot of the xroach X11 cockroach program's README.
Simple Unix Chat(the-dam.org)
356 points by marban | 136 comments
An article describing Simple Unix Chat (suc), a Slack-like chat system whose core is five lines of bash built on standard UNIX primitives.
The Awk Programming Language, Second Edition(awk.dev)
508 points by 0x54MUR41 | 143 comments
Placeholder site for the second edition of The AWK Programming Language book, with links to Awk source, implementations, and historical documents.
macOS command-line tools you might not know about(saurabhs.org)
1910 points by Gadiguibou | 411 comments
A personal blog post listing macOS-specific command-line utilities such as caffeinate, with usage examples and flags.
Everything that uses configuration files should report where they're located(utcc.utoronto.ca)
1642 points by ingve | 444 comments
Chris Siebenmann blog post arguing that programs using configuration files should have an obvious command-line way to report where those files are located.
“Exit traps” can make your Bash scripts more robust and reliable (2013)(redsymbol.net)
540 points by ekiauhce | 136 comments
Aaron Maxwell's article explaining how to use bash's EXIT pseudo-signal with trap to ensure cleanup code runs whenever a script exits.
Pure Sh Bible(github.com)
359 points by akraker | 103 comments
GitHub repository by dylanaraps collecting pure POSIX sh alternatives to external processes, as a shell scripting reference.
Remove “This incident will be reported.” from user warnings(github.com)
662 points by sohkamyung | 268 comments
A GitHub commit in the sudo project removing the "This incident will be reported." message from user warnings, since email notification is configurable.