How To: UNIX Add A User To A Group
Q. How do I add a user to a group under Sun Solaris UNIX operating system from a shell prompt or command line?
A.. You can useadd command to administer a new user login on the UNIX system. Solaris UNIX / HP-UX UNIX uses /etc/passwd, /etc/shadow and /etc/group files to store user information.
Following information is compatible with the Solaris, AIX and HP-UX UNIX operating systems.
Add A New User To A Group
Add a new user called vivek to a group called vsftp, enter:
# useradd -G vsftp -d /data/home/v/vivek -m vivek
# passwd vivek
Where,
- -G vsftp : Add vivek to secondary group called vsftp. This group must exists on the system.
- -d /data/home/v/vivek : Path to the vivek's home directory
- -m : Create the new user's home directory if it does not already exist.
- vivek : Username / login nane
UNIX Add Existing User To A Secondary Group
Use usermod command to modify a user's login definition on the system including group membership. For, example add user vivek to sales group, enter:
# usermod -G sales vivek
Add user tom to sales but also keep his existing membership of ftpusers, enter:
# usermod -G ftpusers,sales tom
UNIX Add Existing User To A Primary Group
Add jerry to sales primary group and change its existing group membership:
# usermod -g sales jerry
For more information read following man pages:
$ man usermod
$ man useradd
$ man passwd
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Tags: /etc/group, /etc/passwd, /etc/shadow, add user to group, add user to group unix, create user unix, solaris add user to group, unix add group, unix add user, unix add user to a group, unix add user to group, unix create user, useradd command, usermod command
June 18th, 2008 at 12:37 pm
Hello Vivek,
I don’t want my private files to be displayed in the output of find command????
June 18th, 2008 at 12:39 pm
How do i hide my confidential files to be isolated from find output??
I am using RHEL 5
Mihir G joshi