Unix Quiz

1. which command is used to rename Directories?

rename
mv
rm
rmdir

2. Which of the following is true about shell?

A Shell provides you with an interface to the Unix system.
Shell gathers input from you and executes programs based on that input.
Shell is an environment in which we can run our commands, programs, and shell scripts.
All of the above

3. For moving two level up in the file hierarchy system using cd command once, we separates ( . . ) by which symbol?

/
\\
//
\

4. Which of the following statement causes the current iteration of the loop to exit, rather than the entire loop?

Continue
break
return
goto

5. What was the Initial release date of UNIX?

3rd November 1971
3rd November 1972
3rd November 1973
3rd November 1974

6. Which command is used to prints a file onto paper as opposed to the screen display?

lp
lpr
Both A and B
None of the above

7. A _______ is used to redirect input into an interactive shell script or program.

document
here
here document
who

8. Which of the following symbol(s) can be used to redirect the output to a file or another program?

|
>
>>
All of the above

9. What is the associated file descriptor for stdout?

0
1
2
-1

10. PWD stand for?

Parent working directory
present working directory
past working directory
None of the above