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Unix

Unix
Which command is used with vi editor to search a pattern in the forward direction?

?
/
//
??

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Unix
You can append to a file instead of overwriting by using the

< symbols
None of these
>> symbols
> symbols

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Unix
Which command is used to move all files to the bin sub-directory of the parent directory?

mv * ../bin
mv *.* /bin/
mv * ../bin *.*
None of these
mv * /bin/*

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Unix
Which of the following is not a communication command.

grep
mesg
write
mail

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Unix
Which of the following is invalid filename?

TRY
my .file
trial
None of these

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

^pat
$pat
pat^
pat$

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