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Unix

Unix
Which command is used to link the files?

cp
tar
lk
None of these
ln

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Unix
Which operator will be used with chmod command to assign absolute permission?

+
%
None of these
-
=

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Unix
The command used to compare the files is known as

cmp
ccp
do
comp

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Unix
Which option will be used with touch command to change the access time?

pid
None of these
#NAME?
-r option

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Unix
While working with mail command, which command is used to save mail in a separate file?

d
w
s
r

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Unix
Which commands is used to assign executable permission to all of the files named "letter"?

chmod u+x letter
chmod ugo+x letter
chmod ugo+rw letter
chmod ugo+r letter

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