Basic Linux MCQ Questions for Beginners - Set 1

This set contains questions which test your basic knowledge about Linux. It might be useful for the beginners who are just starting with Linux and want to test their knowledge.

1

Maximum how long can a Linux filename be?

128 bytes

255 bytes

32 bytes

64 bytes

Answer

In Linux filename length can be upto 255 bytes.

2

Which combination of keys is used to exit from terminal?

Ctrl + t

Ctrl + z

Ctrl + d

Ctrl + e

Answer

Ctrl + d can be used to exit from terminal

3

Which command(s) is/are used to get help about a command in Linux?

info

man

None of these

Both a and b

Answer

man and info both commands will help to get syntax and options for commands. info is the default format for documentation inside the GNU project, man is the much older traditional format for UNIX.

4

Which of the following OS is not based on Linux?

Ubuntu

Redhat

CentOs

BSD

Answer

Berkeley Software Distribution(BSD) is a Unix based OS.

5

Which command is used to get the kernel version in Linux?

uname -r

kernel

uname -n

uname -s

Answer

$ uname -r
3.2.0-32-generic

6

Which command is used to list all the files in your current directory(including hidden)?

ls -l

ls -t

ls -a

ls -i

Answer

ls -a is used to list all files in a given directory.

7

Which command is/are used to remove directory in Linux?

rmdir

rm -r

only b

Both a and b

Answer

rm -r and rmdir both are used to remove directory.

8

Which key combination is used to see all the hidden files in Nautilus file manager?

Ctrl + Shift + h

Ctrl + h

Ctrl + Alt + h

None of the above

Answer

Ctrl + h is used to see all the hidden file in nautilus.

9

Which of the following command is used to create file in Linux?

touch

cat

echo

All of the above

Answer

You can use all of the above command to create file in Linux. For example
$ touch [filename]
$ cat > [filename]
$ echo [content of the file] > [filename]

10

In Linux everything stored as a

file

directory

executables

None of the above

Answer

In Linux everything is stored as file. In Linux "everything is considered as a file".

That's it.
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