y Linux shell user can modify their password using the passwd command. How can I force users to choose the secure password that will prevent users from using stupid passwords like “abc123”, “password”, “123456” and so on? How do I setup password quality requirements on my Debian or Ubuntu Linux server?
I am a new Linux and Unix system user. How do I list current users on Linux or Unix-like operating system using shell prompt?
I‘m a new Linux sys admin and I’m unable to find the command to list all users on my RHEL server. What is the command to list users under Linux operating systems?
ow do I change my own password as well as the passwords of other users as required under Linux operating system without using GUI systems? How can I change or set user password on Linux operating systems?
How do I rename a user name from ‘tom’ to ‘jerry’ under Ubuntu Linux?
How do I change my current login shell from bash to ksh under Linux or UNIX or Apple OS X operating systems?
How do I count lines if given word or string matches for each input file under Linux or UNIX operating systems?