Interview Questions Answers in Unix Commands

Questions / { abani kumar mahana }

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Answers / { abani kumar mahana }

Question { IBM, 12242 }

Give Command that will move a single file
called "unix.txt"

Answer

mv filename dest_location --> to move the file to other location
mv filename filename1 --> to rename the file

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Question { 6965 }

In Unix file permissions what does the second field denotes?

Answer

It is for group i.e what the group is having permission it will display

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Question { TCS, 14299 }

How to get the operating system's information in unix?

Answer

uname,
uname -a

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1 Yes

0 No

Question { 8733 }

what are the different commands used to create files?

Answer

touch, cat, vi, vim, pico
A) touch: touch
B) cat: cat >
C) vi: vi
D) vim: vim
E) pico: pico

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Question { 8041 }

What is the use of pipes?

Answer

Pipe command is used sending one command's output to other command input
ex:- ls -l | wc -l
here ls -l will show details of files available and wc -l will show how many rows(total no of rows) the previous command diaplayed

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Question { IBM, 20810 }

how to find the 51th record of a file containing 100 records
in unix.

Answer

head -51 | tail -1

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Question { 6569 }

to list a particular line in the file

Answer

sed -n '1p'
head -n filename | tail -1
(change n as per your requirements)

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Question { Amazon, 10682 }

Which is the command used to find out currently executing
Process in UNIX?

Answer

ps -ef

Is This Answer Correct ?

1 Yes

0 No