Terminal

For anyone doing long-lived remote work over SSH, tmux keeps sessions, windows, and panes alive across disconnects — closing a window does not kill the work. This table groups create/delete/switch flows for sessions, windows and panes, copy-mode keystrokes, and common .tmux.conf settings.

screen is the terminal multiplexer that ships with almost every Linux distribution, a lighter alternative to tmux. This reference covers creating, detaching, and reattaching sessions (Ctrl-a d to detach, -r to return), multiple windows and splits, plus the -x flag to share one session across two terminals — so a dropped SSH connection stops interrupting long-running work.

Zsh cheat sheet — complete .zshrc settings, oh-my-zsh plugins and themes, aliases, autocompletion, history search and prompt customization, plus glob patterns, directory jumping and plugin management tips.

A Fish Shell reference covering its syntax differences from Bash, variables and functions, out-of-the-box autocompletion, aliases, and theme configuration.