A. -a option
B. -d option
C. -r option
D. -x option
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Related Mcqs:
- Which symbol is used to separate more than one command in the same command line ?
A. $
B. #
C. :
D. ; - Which option will be used with ps command to slow the entire command line of the process being run ?
A. -4
B. -f
C. -1
D. -2 - While working with mail command, which command is used to save mail in a separate file ?
A. s
B. r
C. w
D. d - Which option is used with rm command to make the command prompt the user with each filename and a ?, before acting on it_________________?
A. -r
B. -x
C. -i
D. -1 - Which option will be used with sort command to start sorting ofter the nth column of the (m+l)th field ?
A. -m.n
B. +m.n
C. + n.m+1
D. +(m+l).n - What file specifies the order in which to use specified name services ?
A. /etc/services
B. /etc/nsorder
C. /etc/nsswitch.conf
D. /etc/hosts - What command is used to display a file contents in octal form ?
A. oct
B. of
C. od
D. cd - What command is used with file named ‘letter’ to remove the executable permission from the user and assign read permission to the group and others ?
A. chmod go + x, u – x letter
B. chmod g – x, uo + r letter
C. chmod go + r, u + x letter
D. chmod u – x, go + r letter - Which command allows you to view your file 24 lines at a time ?
A. more
B. pg
C. cat
D. lp - Which command is used to delete all files in the current directory as well as all files and sub-directories in its subdirectories ?
A. rm *
B. rm -r *
C. rm all
D. rm *.*
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