Question 1

Maximum how long can a Linux filename be?
A)128 bytes
B)255 bytes
C)32 bytes
D)64 bytes

Accepted Answer

The maximum length for a filename in Linux is 255 bytes. This limit is defined by the filesystems used in Linux, such as ext4, and is a common standard across many Unix-like operating systems.

Question 2

Which command(s) is/are used to get help about a command in Linux?
A)info
B)man
C)None of these
D)Both a and b

Accepted Answer

A

Question 3

Which command is used to get the kernel version in Linux?
A)uname -r
B)kernel
C)uname -n
D)uname -s

Accepted Answer

The command `uname -r` is used to display the kernel version of the Linux operating system.

Question 4

In Linux everything stored as a
A)file
B)directory
C)executables
D)None of the above

Accepted Answer

In Linux, everything is considered as a file, including hardware devices, directories, and processes. This design philosophy is a fundamental part of the Unix-like operating systems, making file management and manipulation a central aspect of these systems.

Question 5

Which of the following command can be used as an alternative to echo command?
A)print
B)printr
C)printf
D)none of these

Accepted Answer

The correct alternative to the echo command is "printf". While "echo" is commonly used for displaying a line of text, "printf" offers more control over the output's format, making it a powerful alternative for formatted output in shell scripts.

Question 6

Which command is used see the list of users who are currently logged-in?
A)login
B)users
C)who
D)which

Accepted Answer

The 'who' command is used to display a list of users who are currently logged into the system.

Question 7

Which directory in Linux contains all the config file of the system?
A)/etc
B)/var
C)/lib
D)/bin

Accepted Answer

The /etc directory in Linux systems is used to store configuration files for the system. This directory contains the configuration files for all installed packages and many base system configurations, making it a central location for system administration.

Question 8

Which of the following command is used to count number of lines in a file?
A)wc -l
B)wc -c
C)wc -w
D)None of these

Accepted Answer

The command `wc -l` is used to count the number of lines in a file.

Question 9

Which command is used to copy entire directory?
A)cp -r
B)cp -i
C)cp
D)none of these

Accepted Answer

The command `cp -r` is used to copy entire directories in Linux and Unix-like operating systems. The `-r` option stands for "recursive," allowing the `cp` command to copy directories and their contents, including all subdirectories and files.

Question 10

Which special character should be avoided during naming a file?
A).(dot)
B)$
C)_(underscore)
D)-(Hyphen)

Accepted Answer

The answer of Which special character should be avoided during...

Question 11

Suppose I am in /etc directoy, after executing cd .(single dot), where am I now?
A)/etc
B)/(root)
C)/home
D)None of these

Accepted Answer

The single dot (.) represents the current directory, so executing `cd .` within the /etc directory will keep you in the /etc directory.

Question 12

mv command can be used to ?
A)Move the file to different directory.
B)Renaming a file
C)Both a and b.
D)Only a.

Accepted Answer

The mv command in Unix/Linux is used both for moving files from one directory to another and for renaming files.

Question 13

Which command is used to print the login shell of an user?
A)echo $SHELL
B)echo $LOGIN
C)echo $LSHELL
D)None of the Above

Accepted Answer

The command `echo $SHELL` is used to print the current user's login shell. The `$SHELL` environment variable holds the path to the current user's shell.

Question 14

Which command is used to set terminal IO characteristic?
A)tty
B)ctty
C)ptty
D)sty

Accepted Answer

The command used to set terminal IO characteristics is "stty". It is a standard UNIX command for changing and printing terminal line settings.

Question 15

Which option of ls command used to view file inode number
A)-l
B)-o
C)-a
D)-i

Accepted Answer

The "-i" option of the ls command is used to display the inode number of files and directories.

Question 16

What is the right command to save file and exit in Vim?
A):wq
B):a
C):q
D):q!

Accepted Answer

The command ":wq" in Vim is used to write (save) the changes to the file and then quit the editor.

Question 17

Which of the following is not an editor?
A)expr
B)vi
C)emacs
D)ex

Accepted Answer

Expr is not an editor; it is a command-line utility for evaluating expressions. Vi, emacs, and ex are all text editors.

Question 18

In a date +format, you add the hour in 24 hours format using:
A)%f
B)%H
C)%F
D)%h

Accepted Answer

The correct format specifier for the hour in 24-hour format is %H.

Question 19

What command is used with vi editor to delete a single character?
A)x
B)y
C)a
D)None of the above

Accepted Answer

The command used with vi editor to delete a single character is "x".

Quiz 1: Linux Command Line Basics

Maximum how long can a Linux filename be?

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

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

In Linux everything stored as a

Which of the following command can be used as an alternative to echo command?

Which command is used see the list of users who are currently logged-in?

Which directory in Linux contains all the config file of the system?

Which of the following command is used to count number of lines in a file?

Which command is used to copy entire directory?

Which special character should be avoided during naming a file?

Suppose I am in /etc directoy, after executing cd .(single dot) , where am I now?

mv command can be used to ?

Which command is used to print the login shell of an user?

Which command is used to set terminal IO characteristic?

Which option of ls command used to view file inode number

What is the right command to save file and exit in Vim?

Which of the following is not an editor?

In a date +format, you add the hour in 24 hours format using:

What command is used with vi editor to delete a single character?