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Unix

Unix
Which command is used to list all the files with extension .lst?

ls *.*
ls lst*
ls -l *.lst
ls *[lst]

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Unix
The cat command is used to

None of these
print a file
copy a file
capture a file
display a file

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Unix
Which of the following keys is used to delete the character beneath the cursor?

dd
None of these
x
D
X

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Unix
Which command is used to remove the read permission of the file 'note' from both the group and others?

chmod go+rw note
chmod go-x note
chmod go-r note
chmod go+r note

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

:x
:w
None of these
q!
:q

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

u
C
R
None of these
v

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