Unix Mock Test 1 - Sanfoundry

10%

Question 1 of 10

1. history command displays the log of recently used commands.

False

True

Question 1 of 10

Question 2 of 10

2. If we create a file using cat command with the same filename which already exists in the current directory then,

an error will be produced

existing file will be overwritten

existing file is deleted

new file will be created separately

Question 2 of 10

Question 3 of 10

3. We can use man command for displaying the documentation of man itself.

False

True

Question 3 of 10

Question 4 of 10

4. We can create multiple directories by single invocation of mkdir command.

False

True

Question 4 of 10

Question 5 of 10

5. Two UNIX systems may or may not use the same set of system calls.

False

True

Question 5 of 10

Question 6 of 10

6. Which command is used for displaying date in the format dd/mm/yyyy ?

date +"%d/%m/%Y"

date +%h

date +"%h %m"

date +%m

Question 6 of 10

Question 7 of 10

7. $ cp file_01 . copies the file named file_01 in ____ directory

root

parent

current

user

Question 7 of 10

Question 8 of 10

8. Which option is used with ls command for long listing of files with seven attributes?

-i

-l

-a

-x

Question 8 of 10

Question 9 of 10

9. What are meta-characters?

shell symbols

special characters having predefined meaning to the shell

command symbols

special symbols

Question 9 of 10

Question 10 of 10

10. The output of ls dir* is ___

erroneous

all files in the current directory

all files in the directory having a filename starting with dir

no filename is displayed

Question 10 of 10