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Unix

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

a
S
s
i

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Unix
The command which transcribes the standard input to the standard output and also makes a copy of the same in a file is

sort
tee
tr
grep

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Unix
Which of the following keys is used to delete the character beneath the cursor?

None of these
X
x
dd
D

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Unix
In vi editor, forward search is performed using the command.

:pat
/pat
?pat
All of these

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Unix
The cat command is used to

None of these
display a file
capture a file
print a file
copy a file

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

grep
cat
wc
touch

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