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Unix

Unix
Which of the following is not a communication command.

mesg
write
mail
grep

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

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

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Unix
Which of the following command addresses all users who are currently hooked on?

wall
mail
mesg
write

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Unix
Which command is used with file named 'note' to remove the executable permission from the user and assign read permission to the group and others?

chmod g-x, uo+r note
chmod u-x, go+r note
chmod go+x, u-x note
None of these
chmod go+r, u+x note

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Unix
Which command is used to display the end of the file?

None of these
tail
head - r
bof
eof

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Unix
Which of are following internal commands is used in mail to forward mail to user in user-list?

None of these
r user-list
e user-list
d user-list
m user-list

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