Archives Nov. 4, 2015

Linux help command : help,--help,man,info

type command : View command type(Internal Command,External Command)

eg.:
[root@levi ~]# type -a cd 
cd is a shell builtin (Internal Command)

[root@levi ~]# type -a grep 
 grep is /bin/grep    ( External Command)

1.Internal Command (Help view)

help COMMAND

2.External Command (help view)

COMMAND --help

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