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Unix

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

/pat
All of these
:pat
?pat

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Unix
Which command is used to delete all files in the current directory as well as all files and sub-directories in its subdirectories?

rm all
rm *
None of these
rm -r *
rm *.*

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Unix
Major expressions used with find command to select file is it has been accessed in more than 375 days, is

#NAME?
#NAME?
None of these
#NAME?
#NAME?

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Unix
Which commands is used to assign executable permission to all of the files named "letter"?

chmod ugo+r letter
chmod ugo+x letter
chmod u+x letter
chmod ugo+rw letter

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

?
//
/
??

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Unix
Which of the following commands can be used to get information about yourself?

pwd
which
None of these
who am i
i /4

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