Operating systems, infrastructure, emulation, and technical history.
Installing Starship, a fast, shell-agnostic prompt that works identically across Bash, Zsh, and fish, and configuring which information it shows.
Running multiple shell sessions inside one terminal window, splitting panes, and, most importantly, keeping sessions alive across disconnects.
Setting up a terminal-based file manager for navigating, previewing, and manipulating files entirely with the keyboard, without leaving the terminal.
Installing and configuring a full-screen terminal system monitor for real-time CPU, memory, and process information, entirely keyboard-driven.
Setting up Windows Terminal specifically for a smooth WSL experience: default profile, font, and the settings that most commonly need adjusting.
Installing Zsh as your shell, setting up Oh My Zsh, and configuring a theme and a first useful plugin, from a default shell to a productive one.
Ctrl-Z, bg, fg, and a trailing & all touch one mechanism: process groups and Unix signals deciding which process can read your terminal.
Announced by maintainer Chet Ramey on February 20, 2009, Bash 4.0 added key-value associative arrays and other features scripters had requested for years.
Released as beta version .99 on June 8, 1989, Bash was built for the GNU Project as a free replacement for the Bourne shell and other proprietary Unix shells.
Distributed starting with 2BSD in 1979, Bill Joy's C shell introduced command history and aliases - features nearly every shell released since has copied.