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Unix

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

:x
:q
None of these
:w
q!

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Unix
Which option is used with cmp command to give a detailed list of the byte number and the differing bytes in octal for each character that differs in both the files?

-d
-r
-l
-b
None of these

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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?

write
mail
None of these
mesg
grep

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Unix
Which of command is used to copy a file?

cp
cpio
copy
tar
None of these

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Unix
Which is the earliest and most widely used shell that came with the UNIX system?

Korn shell
Bourne shell
None of these
Smith shell
C shell

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Unix
Which command will be used with vi editor to replace single character under cursor with any number of characters?

S
a
s
A

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