What command is used to change the working directory ?
What command is used to change the working directory ?
A. cdir
B. chdir
C. changedir
D. cd
Basic of linux unix
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What types of installations require a special boot disk ?
What types of installations require a special boot disk ?A. NFS
B. FTP
C. PCMCIA
D. All of the above -
In which tcp_wrappers file can you specify to allow all connections from all hosts ?
In which tcp_wrappers file can you specify to allow all connections from all hosts ?A. /etc/hosts.allow
B. /etc/hosts.deny
C. /etc/hosts
D. /etc/tcp.conf -
What command is used to display the characteristics of a process ?
What command is used to display the characteristics of a process ?A. au
B. ps
C. du
D. pid -
The command used to remove the directory is_______________?
The command used to remove the directory is_______________?A. rmdir
B. rd
C. remove
D. rdir -
Which of the following command is used to count just the number of lines contained in a file ?
Which of the following command is used to count just the number of lines contained in a file ?A. wc -lD.
B. wc -c
C. wc -w
D. wc -r -
Which shell’s wild-cards is used to match a single character ?
Which shell’s wild-cards is used to match a single character ?A. *
B. ?
C. [ijk]
D. [!ijk] -
Which of the following is invalid filename ?
Which of the following is invalid filename ?A. shutry
B. TRY
C. trial
D. None of the above -
Which of the following keys is used to move the cursor to the end of the paragraph?
Which of the following keys is used to move the cursor to the end of the paragraph?A. }
B. {
C. |
D. $ -
What command is used to list the jobs currently in print queues ?
What command is used to list the jobs currently in print queues ?A. lpq
B. lpr
C. lprm
D. lpc