To be run by the shell, a shell script needs the following permission(s):

How does Unix maintain its time clock?

To list the current users logged on to the system you use:

What is the default maximum number of open files a user can have?

The superuser can:

To display or set your terminal characteristics, you use the command:

In UNIX , shell is a program which :

UNIX offers the following benefits :

Study the following statements and select the incorrect one :

What is the correct command to delete all files with two character file-names from the directory /user/group2 ?

Who can change the password of a user account?