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Arnošt Havelka

Getting Help in Bash

Learn how to access help and documentation for any command.

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Getting Help in Bash

Forgotten how a command works? No problem! Bash provides built-in help systems to guide you.

Quick Help: command --help

Almost every command supports the --help flag to show its usage and options.

Try the command

Get quick help for any command!

Build the command
command--help
Choose a command
Terminal
C:\Users\User>ls --help

See what a command can do:

Command Prompt
C:\Users\User>cat --help

Full Documentation: man Pages

The man command opens the comprehensive manual for any command. Press q to exit.

Try the command

Dive deep into command documentation!

Build the command
man[command]
Choose a command
Terminal
C:\Users\User>man ls

Explore full documentation:

Command Prompt
C:\Users\User>man grep

When to Use Which

Use --help when you need:

  • Quick reference for flags
  • Fast answer without reading full docs

Use man when you need:

  • Complete understanding of a command
  • Detailed examples and edge cases
  • Full option reference

Knowledge Check

1 / 3

How do you get quick help for a command?

References

These documentation links provide authoritative details for the commands used in this article.

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