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Unix

Unix
Which command is used to remove a directory?

rd
rdir
dldir
rmdir

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Unix
Which of the following commands can be used to get information about all users who are currently logged into the system?

who
None of these
1 /u
which
who am i

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Unix
Which option is used with the chmod command recursively to all files and sub-directories in a directory?

-1
None of these
#NAME?
-R

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Unix
Which command is used to display the characteristics of a process?

ps
pid
au
du

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Unix
The second set of the three permissions (r-) indicates that

group has read permission only
other has read permission only
owner has read permission only
group has write permission only

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Unix
Which command is used to list out all the hidden files along with the other files?

ls -a
ls -F
ls -x
ls -l

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