help.md

Linux help Command

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Command Introduction (命令介绍)

bash, :, ., [, alias, bg, bind, break, builtin, caller, cd, command, compgen, complete, compopt, continue, declare, dirs, disown, echo, enable, eval, exec, exit, export,

Command Format and Options (命令格式和选项)

help: usage: help [-dms] [pattern ...]

Command Example (命令范例)