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Unix

Unix
Which command is used to remove a directory?

dldir
rd
rdir
rmdir

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Unix
Which command is used to remove a file?

mv
rm
remove
del

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Unix
Which of the following commands is used to absolutely assign all permissions to the owner, read and write permissions to the group and only executable permission to the others of the file note?

chmod 761 note
chmod 671 note
chmod 4=rwx, g=rw note
chmod 167 note

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

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Unix
Which of the following commands is used to display the filenames in multiple columns?

ls -1
lc
ls
None of these
ls -x

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Unix
Which command is used to save the standard output in a file, as well as display it on the terminal?

tee
grep
more
cat
None of these

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