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Unix

Unix
Which of the following keys is used to overstrike a whole line?

R
None of these
C
u
v

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

:x
q!
:w
:q
None of these

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Unix
Which of the following commands is used to copy a file wb from the programs directory into a file called wbx in the misc directory?

cp programs/wb misc/wbx
copy a:programs/wb b:misc/wbx
tar programs/wb misc/wbx
copy programs/wb misc/wbx

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

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

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

a
S
s
A

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Unix
Which option will be used with disk free command to include the total amount of disk space in the file system?

#NAME?
#NAME?
None of these
-4
#NAME?

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