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Unix

Unix
Which of command is used to copy a file?

cp
cpio
copy
tar
None of these

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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 | tee user.lst
who > user.lst

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Unix
Which shell's wild-cards is used to match a single character?

[!ijk]
?
None of these
[ijk]
*

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Unix
Which of the following commands is used to have a two-way communication with any person who is currently logged in?

mail
grep
mesg
None of these
write

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Unix
Which of the following commands can be used to get information about yourself?

which
i /4
who am i
None of these
pwd

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Unix
Which of the following commands is used to display the filenames in multiple columns with indication of directories and executable file?

Ip
ls ~ x
ls -F -x
ls -l

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