Which command is used to assign only read permission to all three categories of the file 'note'?
A. chmod go+r note
B. chmod a-rw
C. chmod ugo=r note
D. chmod u+r,g+r,o-x note
E. None of the above
Answer: Option C
A. chmod go+r note
B. chmod a-rw
C. chmod ugo=r note
D. chmod u+r,g+r,o-x note
E. None of the above
Answer: Option C
Which symbol will be used with grep command to match the pattern pat at the beginning of a line?
A. ^pat
B. $pat
C. pat$
D. pat^
E. None of the above
Which command is used to sort the lines of data in a file in reverse order
A. sort
B. sh
C. st
D. sort -r
E. None of the above
Which command is used to display the top of the file?
A. cat
B. head
C. more
D. grep
E. None of the above
A. cp chap?? progs
B. cp chap* progs
C. cp chap[12] /progs/*.*
D. cp chap?? /progs/*
E. None of the above
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