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Unix

Unix
Which of the following set options is used with vi editor to ignore case while searching for patterns?

ai
sm
ic
ts

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

None of these
!
@
#
$

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Unix
The UNIX file system stores a date in physical blocks of

2048 bytes
512 bytes
256 bytes
1024 bytes
None of these

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Unix
Which command is used with vi editor to move the cursor to the left?

j
None of these
k
i
h

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Unix
The command that can be used to restrict incoming messages to a user is

grep
mesg
None of these
halt
sleep

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