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Unix

Unix
Which command is used to remove a directory?

rd
rmdir
rdir
dldir

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Unix
Which symbol will be used with grep command to match the pattern pat at the end of a line?

None of these
$pat
^pat
pat$
pat^

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Unix
The field separator in cut command is specified with

#NAME?
None of these
-c
-r option

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Unix
Which of the following is not a filter?

sort
grep
None of these
wc

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

None of these
#NAME?
-1
-R

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Unix
Which command is used to display a file contents in octal form?

cd
of
oct
od

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