How to use help command

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How to use help command in linux to fetch details of commands like mkdir,ls etc...
I get error use it

help -m ls
-bash: help: no help topics match `ls". Try `help help" or `man -k ls" or `info ls".
Jan 10 in Linux Administration by digger
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The help command is limited and it is not possible to get info about all the commands using help keyword.

To find complete details about ls command you need to use man ls command in the terminal.

answered Jan 10 by Omkar
• 65,840 points

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