Unix

1. 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 E. None of the above

chmod u-x, go+r note
chmod go+r, u+x note
chmod g-x, uo+r note
chmod go+x, u-x note E. None of the above

Detailed SolutionWhich 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 E. None of the above

3. 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 E. None of the above

r user-list
m user-list
d user-list
e user-list E. None of the above

Detailed SolutionWhich 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 E. None of the above

8. The special shell variable $* is used A. to exit status of ast command executed. B. to process number of the current shell C. to list the positional parameters D. to name the command being executed E. None of the above

to exit status of ast command executed.
to process number of the current shell
to list the positional parameters
to name the command being executed E. None of the above

Detailed SolutionThe special shell variable $* is used A. to exit status of ast command executed. B. to process number of the current shell C. to list the positional parameters D. to name the command being executed E. None of the above

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