Which of the following commands is used to copy a file wb from the programs directory into a file called wbx in the misc directory ?
(A) copy programs/wb misc/wbx
(B) cp programs/wb misc/wbx
(C) tar programs/wb misc/wbx
(D) copy a:programs/wb b:misc/wbx
While working with mail command, which command is used to save mail in a separate file ?
(A) s
(B) r
(C) w
(D) d
The File that contains a set of instructions which are performed when a user logs in, is_____________?
(A) .exrc
(B) .profile
(C) .autoexec
(D) autoexec.bat
Which of the following command addresses all users who are currently hooked on ?
(A) write
(B) mail
(C) wall
(D) mesg
Which command is used to sort the lines of data in a file in alphabetical order ?
(A) sort
(B) sh
(C) st
(D) sort -r
The agency that sits between the user and the UNIX system is called the________________?
(A) logic
(B) profile
(C) shell
(D) erxc
Which of the following commands is used to change the working directory ?
(A) cd
(B) changedir
(C) chdir
(D) cdir