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?
ow do I change the password in UNIX? In Unix operating system, how do I change my password?
ow do I count lines if given word or string matches for each input file under Linux or UNIX-like operating systems?
ow do I check the existing Linux / UNIX users and groups under Linux operating system?
How do I add a user to a group under Sun Solaris UNIX operating system from a shell prompt or command line?