A. @
B. #
C. $
D. !
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Related Mcqs:
- What sign is used to back up over typing errors in vi ?
A. !
B. $
C. #
D. @ - Which of the following NIS clients, finds and stores information about an NIS domain and server ?
A. ypwhich
B. ypbind
C. ypcat
D. yppoll - Which of the following commands is used to get directory one level up ?
A. cd
B. cd ..
C. cd/
D. chdir - Which of the following command can be used to rename a file in UNIX ?
A. ren
B. mv
C. remove
D. change - Which of the following commands is used to obtain a list of all files by modification time ?
A. ls -1
B. ls -t
C. ls -i
D. ls -R - Which of the following commands is used to display the filenames in multiple columns with indication of directories and executable file ?
A. ls -F -x
B. ls -l
C. ls ~ x
D. Ip - What of the following tool is used to check and repair Linux file systems ?
A. mkfs
B. fdisk
C. fsck
D. mount - Which of the following files contains information related to password aging ?
A. Shadow
B. password
C. profile
D. All the three - Which of the following is not a communication command?
A. write
B. mesg
C. mail
D. grep - Which of the following shell’s wildcards are used to match any number of characters including none ?
A. [ijk] B. [!ijk]
C. ?
D. *
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