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Unix

Unix
Which command will be used with vi editor to insert text to left of cursor?

S
a
s
i

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Unix
Which of the following commands is used to update access and modification times of a file?

grep
touch
cat
wc

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

k
i
None of these
h
j

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

-1
-R
None of these
#NAME?

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Unix
The chmod ugo+rw note command can be represented in octal notation as

chmod 555 note
chmod 333 note
chmod 444 note
chmod 666 note

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Unix
Which shell's wild-cards is used to match a single character?

None of these
[ijk]
*
?
[!ijk]

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