Exercise: Unix

Questions for: Unix

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
Answer: A
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Which of the following commands is used to display the filenames in multiple columns?
A:
ls
B:
ls -1
C:
ls -x
D:
lc
Answer: C
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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
Answer: B
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Major expressions used with find command to select file is it has been accessed in more than 375 days, is
A:
-atime +365
B:
-mtime + 365
C:
-atime -365
D:
-mtime -365
Answer: A
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Which of the following signs is used to back up over typing errors in vi?
A:
@
B:
#
C:
$
D:
!
Answer: B
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