User and password commands in linux

• Remove command Syntax.
• # rm [option] file
• # rmdir [option] directory
• Frequently Asked Questions in Remove Command

• 1. How to check who currently logged into the system?
  
  • # whoami
  • The above command tells who logged into the system.
• 2. How do I know what are the users created in linux?
  
  • # cat /etc/passwd
  • All the created users will be in passwd file
• 3. How to create new user account in linux?
  
  • Syntax:
  • # useradd username
  • Example:
  • # useradd -p A18jio guest
  • The above command creates a user called "guest" with password "A18jio".
• 4. How to change the password of currently logged in user?
  
  • Syntax:
  • # passwd enter-password
  • Example:
  • # passwd y3d3#uj
  • The above command changes the currently logged in user password.