Unix Quiz

1. What is the use of -e file test operator in korn shell?

Checks if file is a directory
Checks if file is an ordinary file as opposed to a directory or special file
Checks if file exists
Checks if file is executable

2. Which of the following is true about files?

All data in Unix is organized into files.
All files are organized into directories.
The directories are organized into a tree-like structure called the filesystem.
All of the above

3. What was the Initial release date of UNIX?

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

4. which command is used to change the directory?

cd
mv
ls
cm

5. which mode is used for file handling and substitution?

Command mode
ex mode
def mode
Both A and B

6. How many types of files are there in Unix?

2
3
4
5

7. Which command searches a file or files for lines that have a certain pattern?

erep
pgrp
grep
drep

8. 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

9. Which option of pr command is used to eliminates the printing of header and the top/bottom margins?

-a
-f
-t
-n

10. If you are using the lp command, you can use the ______ option to print Num number of copies.

-n
-nNum
-Numn
None of the above