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Unix

Unix
Which operator will be used with chmod command to assign absolute permission?

%
None of these
+
=
-

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Unix
Which of the following commands is used to assign executable permission to the owner of the file named "note"?

chmod ugo+x note
chmod g+x note
chmod u+w note
chmod u+x note

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Unix
Which is the earliest and most widely used shell that came with the UNIX system?

Bourne shell
C shell
None of these
Korn shell
Smith shell

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Unix
Which of the following is not a communication command.

mail
grep
write
mesg

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Unix
Which of the following commands is used to identify the type of file by context?

file
cat
ls
more

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

u
C
R
None of these
v

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