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Unix

Unix
Which command is used to create a directory?

cr
None of these
crdir
mkdir
md

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

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

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

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

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Unix
Which command is used with vi editor to save file and remain in the editing mode?

:x
q!
:q
:w
None of these

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Unix
Which command will be used with vi editor to replace text from cursor to right?

c
C
r
R

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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 am i
which
1 /u
None of these
who

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