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Unix

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

D
X
x
None of these
dd

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Unix
Which command is used to print a file?

lp
pg
print
prn

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Unix
Which command is used to link the files?

cp
tar
ln
None of these
lk

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Unix
Which command is used to copy the three files wb, collect and mon into the misc directory, under the same, when you were currently in the programs directory?

tar wb collect mon /misc
None of these
copy wb collect mon /misc
cp wb collect mon ../misc
copy wb ../misc collect ../misc mon ../misc

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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?

-b
-r
-l
-d
None of these

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Unix
Which of the following commands is used to get directory one level up?

cd ..
cd
cd/
None of these
chdir

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