Shortcuts are created using “links” on Linux. There are two types of links that can be used namely “soft link” and “hard link”
How can any user find out all information about a specific user like his default shell, real life name, default directory,when and how long he has been using the sytem?
finger “loginName” …where loginName is the login name of the user whose information is expected.
We can use “comm” command as follows: comm -12 file1 file2 … 12 will suppress the content which are unique to 1st and 2nd file respectively.