If you are the user wishing to change your password then use the 'passwd' command, or if you are on an NIS based system use 'ypasswd'.
As root you can change anyone's password by adding thier login name to then end, eg to change tom's password use passwd tom.
It is not a good idea to login as root and so sudo has been created which allows configured access to root commands by other users; if this case and you are so privileged (as an administrator), you would use: sudo passwd tom
Password aging is a tool that administrators can use to control user passwords. You can, for example, force a user to change their password every N number of days, control the intervals between password changes, etc.
passwd
passwd
There is a command called useradd in Linux which you can use to add a new user. Here's an example 1. Add the user (you need to be a superuser to run this command) # useradd test 2. Set the password # passwd test Changing password for user test. New UNIX password: Retype new UNIX password: passwd: all authentication tokens updated successfully.
There are seven fields in the password file on each line for each user. They are: login name · optional encrypted password · numerical user ID · numerical group ID · user name or comment field · user home directory · optional user command interpreter
you can't change username but you can change password
Use the command 'passwd'
Answer--CD\ CD windows\system32net userE.g.> net user asks mypa$$wordIf there are people near you and you don't want them to see the password you type, enter:net user *E.g. > net user asks *> Type a password for the user:> Confirm the password:
Super User! That allows you to assume full control over the system (Linux/Unix) when you log on as a regular user. You'll need a password.
Dial 611 and press 3 and ask for the password you need to change
you can not. you can only change your password.
Run the command "passwd". You will have to enter your old password to change it. If you are root, you will not have to enter the old password to change a user's password.