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

a
A
s
S

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Unix
Which of the following commands is used to change the working directory?

cd
cdir
changedir
chdir
None of these

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Unix
Which of the following commands is used to assign executable permission to the owner of the file named "note"?

chmod u+w note
chmod u+x note
chmod g+x note
chmod ugo+x note

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Unix
The field separator in cut command is specified with

-c
-r option
None of these
#NAME?

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Unix
Which command is used to move all files to the bin sub-directory of the parent directory?

mv *.* /bin/
mv * /bin/*
mv * ../bin
None of these
mv * ../bin *.*

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