Superlogical Rex: Ghostty's Creator Rethinks the Terminal Multiplexer
Rex is Mitchell Hashimoto's terminal multiplexer: raw PTY streaming to clients, persistent sessions, SSH-style remote logins, Lua config and a scriptable CLI.
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Linux
Command-line tools, shell configuration, SSH, and sysadmin workflows — copy-paste-ready commands with the flags explained.
46 guides in this category
Zoxide Tutorial: Smarter Terminal Navigation (2026)
Zoxide tutorial: install and set up the smarter cd command for Bash, Zsh, Fish and more. Learn z, zi, and zoxide commands to jump between directories fast.
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Sed Change Case: Lowercase, Uppercase & Title Case Examples
Master sed change case: convert text to lowercase, uppercase, or title case with \L and \U modifiers, the portable y command, and safe batch examples.
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Sed Insert and Append Text: Examples & macOS Gotchas
Master sed insert and append text commands: line numbers, patterns, multi-line blocks, in-place editing on GNU and BSD sed, and the macOS gotchas to avoid.
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Best Oh My ZSH Plugins for 2026: No Git Clone Needed
A practical list of the best Oh My Zsh plugins for 2026. Autosuggestions and syntax highlighting are now built in. Set up 20+ essential plugins in minutes.
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Fish Shell Syntax Highlighting Guide
How Fish Shell's built-in syntax highlighting works, how to customize colors for commands, errors, paths, and strings, plus theme management.
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Fish Shell Themes - Best Prompts (Tide, Starship, Pure)
A comparison of Fish Shell prompt themes including Tide, Starship, Pure, and Hydro. How to install each one and pick the right prompt for your workflow.
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Fish Shell vs Bash vs Zsh - Complete Comparison 2026
An honest comparison of Fish, Bash, and Zsh covering syntax, performance, plugins, scripting, and day-to-day usability so you can pick the right shell.
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How to Install Fish Shell on Ubuntu (Latest Version 4)
Step-by-step guide to install the latest Fish Shell 4.x on Ubuntu from the official PPA, with initial configuration and tips for getting started.
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Oh My Fish (OMF) - Install Themes & Plugins
How to install and use Oh My Fish framework for Fish Shell, including themes, plugins, and when to consider Fisher as an alternative.
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