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Unix

Unix
Which of the following is not a filter?

None of these
sort
grep
wc

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

k
i
j
h
None of these

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Unix
Which of the following commands is used to summarize the disk usage?

fdisk
du
disk
None of these
chkdsk

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Unix
Which of the following command is used to count just the number of lines contained in a file?

wc -w
wc -r
None of these
wc -l
wc -c

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Unix
While working with mail command, which command is used to save mail in a separate file?

d
w
s
r

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Unix
Which of the following commands is used to remove files?

rm
None of these
erase
delete
dm

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