What is user?
Every
process is owned by a particular user. Access to files and directories are
restricted by user. The id command is used to show information about the
current logged-in user.
View user
To
view the user associated with a file or directory, use ls –l command. Third
column shows the username.
# ls –l /tmp
Managing local users
useradd
command
is used to create new user.
# useradd redhat
Here redhat is name of new user.
To see created user gives following command:
# vim /etc/passwd at the bottom created user is listed.
How to Delete user
To delete created user gives following command:
# userdel username removes user from /etc/passwd, but leaves home directory by default.
# userdel –r username removes the
user and user’s home directory.
Set password to user
passwd username command is used to set password to particular user.
# passwd redhat set password for user redhat.