A. -r
B. -x
C. -i
D. -1
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Related Mcqs:
- Which of the following commands is used to remove files with confirmation prompt from the user file system which have neither been accessed nor modified i the last one year ?
A. find -mtime +365 | rm
B. grep (/usr/*) – mtime + 365 | -ok rm
C. find -name – mtime + 365 / – ok rm
D. find /user/* \(-mtime + 365 – a – atime +365 \) – OK rm {} \; - 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 - Which of the following is invalid filename ?
A. shutry
B. TRY
C. trial
D. None of the above - What sign is used to erase or kill an entire line you have typed and start you are on a new line (but not display a new prompt) ?
A. !
B. $
C. #
D. @ - In which directory can you store system user default files used for creating user directories ?
A. /usr/tmp
B. /etc/default
C. /etc/skel
D. /etc/users - Which of are following internal commands is used in mail to forward mail to user in user-list ?
A. r user-list
B. m user-list
C. d user-list
D. e user-list - The command that can be used to restrict incoming messages to a user is_______________?
A. mesg
B. grep
C. halt
D. sleep - 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 of the following commands is used to save the output of the who command in a file named user.lst, as well as display it ?
A. who | tee user.lst
B. who > user.lst
C. who >> user.lst
D. who < user.lste - Which command is used with file named ‘note’ to remove the executable permission from the user and assign read permission to the group and others?
A. chmod u-x, go+r note
B. chmod go+r, u+x note
C. chmod g-x, uo+r note
D. chmod go+x, u-x note
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