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Unix

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 commands is used to copy a file wb from the programs directory into a file called wbx in the misc directory?

copy a:programs/wb b:misc/wbx
copy programs/wb misc/wbx
tar programs/wb misc/wbx
cp programs/wb misc/wbx

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

ai
sm
ts
ic

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Unix
Which of the following keys is used to overstrike a whole line?

C
R
None of these
u
v

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Unix
Which of the following commands is used to display the directory attributes rather than its contents?

ls -l -d
ls -F
ls -l
ls -x

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Unix
Which command is used to locate all the .profile files in the system?

None of these
cd /.profile
l -u .profile
ls profile
find /-name profile -print

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