We will discuss how to create new user, modify existing user details and password. Types of users UID root 0 system 1-999 normal 1000-6000 System user is again divided into two types- Kernel and Application users Kernel :Like ping, shutdown have UID between 1-200 Application: Like Mysql have UID between 201-999 Adding user: Command: useradd <user> Eg: useradd star1 Note that a line will be added at the bottom of /etc/passwd file as below sta...
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