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Unix

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

R
C
r
c

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

R
C
None of these
u
v

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Unix
The command which transcribes the standard input to the standard output and also makes a copy of the same in a file is

tee
tr
sort
grep

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Unix
The command used to remove the directory is;

remove
rd
rmdir
None of these
rdir

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

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

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Unix
Which command is used to link the files?

ln
None of these
tar
cp
lk

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