The command to count the number of files in the current directory by using pipes, is_______________?
(A) ls | wc
(B) ls -l | wc -l
(C) ls | wc -w
(D) ls | ws -c
Which of the following commands can be used to get information about all users who are currently logged into the system ?
(A) which
(B) who
(C) who am i
(D) 1 /u
Which command is used to copy a file wb with the same name from the programs directory to the misc directory ?
(A) copy programs/wb misc/wb
(B) cp programs/wb misc
(C) tar programs/wb misc/wb
(D) copy a:programs/wb b:misc/wb
Which of the following keys is used to move the cursor to the end of the paragraph?
(A) }
(B) {
(C) |
(D) $
What can he used to set up a firewall on a Linux system ?
(A) netstat
(B) route
(C) trace
(D) ipchains
Where can system and mail logs be found in Ret Hat Linux ?
(A) /var/log
(B) /etc/log
(C) /mail
(D) All of the above