Bash review

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Bash is the GNU Project’s command-line shell and command-language interpreter, suited to Linux and Unix users who want one tool for interactive sessions and script execution. It can run as an interactive shell or execute scripts non-interactively, so it serves both command-line work and automation written in the Bash shell language. Its distribution supports GNU operating systems, nearly every version of Unix, and several non-Unix systems, making it relevant beyond Linux while keeping its focus on shell use rather than a broader development environment.

For daily interactive work, Bash combines command history, Readline-based command-line editing, programmable word completion, and job control. These capabilities address common shell tasks: revisiting commands, editing a command before execution, completing words, and managing jobs in an interactive session. Bash also reads login and interactive startup files, and supports configuration files. That flexibility makes it possible to define shell behavior through startup configuration, while also making those files part of what users need to understand when configuring an environment.

Bash is free software and open source, with no paid plans identified; there is no paid tier to weigh against its included shell and scripting features. Documentation is the listed support channel, so it is a fit for individuals and organizations comfortable consulting reference material. Choose Bash if you need an established shell for interactive use and scripts across Linux or Unix systems. Consider another shell if your priority is a different scripting language or support beyond documentation.

Bash pros and cons

• Where it wins
  • Supports interactive sessions and non-interactive shell scripts
  • Includes Readline editing, command history, and programmable completion
  • Provides job control in interactive sessions
• Where it doesn't
  • Shell startup behavior requires understanding login and interactive files
  • Documentation is the listed support channel
  • Its scripting language is specific to Bash

Bash fact sheet, pricing and score →

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. How we rank.

Last updated 9 Oct 2026 · How we research and update