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UNIX

Unix
Which command will be used with vi editor to insert text to left of cursor?

S
i
a
s

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Unix
In vi editor, forward search is performed using the command.

All of these
/pat
?pat
:pat

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Unix
Which of the following special shell variables is used to process number of the last background job?

$0
$*
$#
$!

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Unix
Which option will be used with ps command to slow the entire command line of the process being run?

-4
-1
-2
#NAME?

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Unix
Which of the following command addresses all users who are currently hooked on?

wall
mail
mesg
write

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