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UNIX

Unix
Which command is used to terminate all processes in your own system except the login shell?

kill 0
cancel all
cancel 1
kill 1
None of these

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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
Which command is used to link the files?

tar
lk
ln
cp
None of these

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Unix
Which of the following signs is used to back up over typing errors in vi?

None of these
@
!
#
$

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Unix
Which of the following commands is used to have a two-way communication with any person who is currently logged in?

mesg
write
None of these
grep
mail

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