MAN

Display helpful information about commands.

Syntax
man [-k] [command]

man intro

man bash

info [command]

help [-s] [command]

Options

-s Short usage synopsis, restricts the information displayed.

-k Search by command description rather than command name.

intro An overview of basic commands

Press to view the next page
Press to view next line
Press to exitFor simplicity, this website includes both internal GNU bash commands and external unix commands in a single list. Many more commands are available and the man command will list the full details of these.

Internal means a command built into the shell, it&qt;&qt;s the shell that performs the action.
External means the shell will fork and execute an external program as a new subprocess. External commands are available when running any shell.

For example, the cd command is built-in. The ls command, is external.

The man command lists all the internal commands for bash under man bash

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