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Unix

Unix
Which command is used to change directory to the name beginning with a 'p'?

cd p*
cd p
cd p*
cd [p]

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Unix
Which of the following is not a communication command.

mesg
grep
mail
write

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Unix
Which of the following commands is used to save the output of the who command in a file named user.lst, as well as display it?

who < user.lste
None of these
who > user.lst
who >> user.lst
who | tee user.lst

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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?

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

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Unix
The cat command is used to

capture a file
display a file
copy a file
print a file
None of these

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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?

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

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