The evolution of unix → linux → open source technologies in IT. Field notes and tutorials on the Linux/Unix command line.https://open2nix.com/https://open2nix.com/posts/local-ai-jetson/https://open2nix.com/posts/local-ai-jetson/You don't need a powerful machine to run AI locally — configure a Jetson Nano board and run your first local model.Sat, 04 Jul 2026 00:00:00 GMThttps://open2nix.com/posts/bash-shortcuts/https://open2nix.com/posts/bash-shortcuts/Work faster in Bash — line-editing shortcuts, history tricks, and the built-ins every script depends on.Sat, 04 Jul 2026 00:00:00 GMThttps://open2nix.com/posts/macos-zsh/https://open2nix.com/posts/macos-zsh/Zsh is the default shell on macOS — pbcopy, brew, defaults, plus the zsh features Bash users are missing.Sat, 04 Jul 2026 00:00:00 GMThttps://open2nix.com/posts/other-shells/https://open2nix.com/posts/other-shells/Beyond bash and zsh — discover which shells your system has, and what fish, dash, ksh and tcsh do differently.Sat, 04 Jul 2026 00:00:00 GMThttps://open2nix.com/posts/gzip-bzip-zip/https://open2nix.com/posts/gzip-bzip-zip/Compression utilities compared — gzip, bzip2, zip — plus tar.gz file rollers for bundling many files as one.Thu, 20 Mar 2014 00:00:00 GMThttps://open2nix.com/posts/command-chaining/https://open2nix.com/posts/command-chaining/Run multiple commands in sequence — unconditionally with ;, on success with &&, or on failure with ||.Wed, 19 Mar 2014 00:00:00 GMThttps://open2nix.com/posts/redirection-pipes/https://open2nix.com/posts/redirection-pipes/Control input and output — redirect with > and >>, and connect commands together with the pipe | operator.Wed, 19 Mar 2014 00:00:00 GMThttps://open2nix.com/posts/basic-commands/https://open2nix.com/posts/basic-commands/51 essential commands every Linux/Unix user should know — from tty and pwd to chmod, ssh and fdisk.Tue, 04 Mar 2014 00:00:00 GMT