Multiple choice questions and answers (MCQs) on Linux focuses on “Managing of users accounts and groups” to prepare for exams, interviews, and certifications, such as Redhat exam, CompTIA exam, Ubuntu / SuSE certification, LPI certification exam. These MCQs will easily prepare anyone to pass their Linux test.
1. The device files are located in which directory?
A /etc
B /bin
C /dev
D /usr
C
The /dev directory contains the special device files. These files are created during the installation.
2. Which one is an example of a special file in block mode?
A Virtual terminal
B CD-ROM
C Terminal
D Serial Modem
B
The /dev/cdrom file is a special block mode file which is a device type file. Block-mode devices tend to be storage devices, capable of buffering output and saving data for later recovery.
3. Which is an example of a special file in character mode?
A Hard disk
B CD-ROM
C Terminal
D Memory
C
Character mode devices are objects such as audio or graphics cards or input devices such as keyboard and mouse.
4. What are the two types of device files?
A Block and FIFO
B Inputs and outputs
C Character and block
D Character and Socket
C
There are two types of device files, the first in character mode and the second in block mode.
5. Which of the following statements is not correct regarding file types?
A Physical links share the same inode number
B Symbolic links cannot be created on partitions
C Socket files are Unix domain sockets
D The file in character mode is a special file
B
Symbolic links can reference a file or directory on another hard disk, volume or partition.
6. Which of the following is not a valid file type in Linux?
A Symbolic links
B FIFO
C Inode
D Socket
C
Inode is a data structure on a file system in Linux and other Unix-like operating systems that saves all the information about a file except its name and actual data. A data structure is a way to store data so that it can be used efficiently.
7. Which directory contains special device files?
A /etc
B /etc/dev
C /root/bin
D /dev
D
The /dev directory contains special files for all devices. These files are created during the installation.
8. Any file has a ______________
A Names and sizes
B Names and its inode numbers
C Names and address
D Names and permissions
B
Each file has its own unique inode.
9. srwxr-xrw- is a __________
A internet socket file
B unix domain socket file
C symbolic link
D shared file
B
The first character can be :
d = directory
– = regular file
l = symbolic link
s = Unix domain socket
p = named pipe
c = character device file
b = block device file
The following characters can be :
r = read permission
w = write permission
x = execute permission
– = 0 permission
With x=1 / w=2 / r=4
The first column defines a directory, file, or link, the next three columns define the permissions for User, Group, and Other.
10. Binary or executable files are ____________
A Regular files
B Device files
C Special files
D Directory files
A
Binary or executable files are regular files.
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