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Unix

Unix
Which of the following is not a communication command.

grep
write
mesg
mail

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Unix
Which of the following signs is used to back up over typing errors in vi?

!
#
None of these
@
$

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Unix
Which of the following keys is used to move the cursor to the end of the paragraph.

(
{
}
)

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Unix
Which of the following commands is used to copy a file wb from the programs directory into a file called wbx in the misc directory?

cp programs/wb misc/wbx
copy a:programs/wb b:misc/wbx
copy programs/wb misc/wbx
tar programs/wb misc/wbx

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

S
a
i
s

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Unix
Which of the following keys is used to overstrike a whole line?

u
v
C
None of these
R

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