Ch3. Get Help in Red Hat Enterprise Linux

 

Using --help command:

[root@master ~]# date --help
[root@master ~]# date -s 03:00

Man pages:

[root@master ~]# man passwd            (default is section 1)
[root@master ~]# passwd -l abeer       (lock the user)
[root@master ~]# passwd -u abeer       (unlock the user)
[root@master ~]# man 1 passwd
[root@master ~]# man 5 passwd
[root@master ~]# man man
[root@master ~]# man -k "print files"
[root@master ~]# apropos "print files"
[root@master ~]# man -K "print files"
[root@master ~]# man -k time | grep 1
[root@master ~]# man -k print | grep 1
[root@master ~]# man 1 su

-Popular system administration topics are in sections 1 (user commands), 5 (file formats), and 8 (administrative commands).
-PageDown or space >>> Scroll forward (down) one screen
-PageUp >>>Scroll backward (up) one screen
-/string >>>  Search forward (down) for string in the man page
-n >>> Repeat previous search forward (down) in the man page
-N >>> Repeat previous search backward (up) in the man page
-g >>> Go to start of the man page.
-G >>> Go to end of the man page.
-q >>> Exit man and return to the command shell prompt

Info and pinfo commands:

[root@master ~]# pinfo
[root@master ~]# info passwd
[root@master ~]# pinfo passwd

Reading Documentation in /usr/share/doc:

[root@master doc]# firefox /usr/share/doc/

Getting Help From Red Hat:

https://docs.redhat.com 

https://accessredhat.com/documentation/en/

Using redhat-support-tool to search Knowledge-base:

(must have valid registration to Red Hat)

[root@master doc]# redhat-support-tool 
	Command (? for help): search how to change password for a user
	Please enter your RHN user ID: 
[root@master doc]# yelp

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