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Unix

Unix
Which command is used to terminate a process?

kill
shutdown
cancel
haltsys

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Unix
Which of the following keys is used to replace a single character with new text?

S
R
r
s

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Unix
Which option is used with the chmod command recursively to all files and sub-directories in a directory?

#NAME?
-R
None of these
-1

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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 commands is used to display the filenames in multiple columns?

ls -1
ls -x
lc
None of these
ls

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Unix
Which command is used to remove a file?

remove
del
rm
mv

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