Listing users in Linux

1 What file contains the list of the users on Linux?
2 List all users
3 List & sort users by name
4 Linux list users without password
5 List users by disk usage
6 List the currently logged users
7 Linux list of users who recently logged into the system
8 List users’ logins on a specific date or time
9 List all users in a group
10 List users with UID
11 List root users
12 Get the total number of users
13 List sudo users
14 List users who have SSH access
15 List users who have permissions to a file or directory
16 List locked (disabled) users
17 Conclusion