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A list of top frequently asked Linux interview questions and answers are given below.
Linux is a UNIX based operating system. Linus Torvalds first introduced it. It is an open source operating system that was designed to provide free and a low-cost operating system for the computer users.
UNIX was originally started as a propriety operating system for Bell Laboratories, which later release their commercial version while Linux is a free, open source and a non-propriety operating system for the mass uses.
Linux Kernel is low-level system software. It is used to manage the hardware resources for the users. It provides an interface for user-level interaction.
Yes. You can edit Linux Kernel because it is released under General Public License (GPL) and anyone can edit it. It comes under the category of free and open source software.
LILO is a boot loader for Linux. It is used to load the Linux operating system into the main memory to begin its operations.
Open source facilitates you to distribute your software, including source codes freely to anyone who is interested. So, you can add features and even debug and correct errors of the source code.
Just like other operating systems, Linux has all components like kernel, shells, GUIs, system utilities and application programs.
Every aspect comes with additional features, and it provides a free downloading facility for all codes.
It is an interpreter in Linux.
The most commonly used shells in Linux are bash, csh, ksh, bsh.
Solaris is the Linux of Sun Microsystems.
LILO is the Linux loader.
The 'mv' command is used to rename a file.
The commands which are built in the shells are called as the internal commands.
Each file is given a unique name by the operating system which is called as the inode.
The 'at' command is used for the same.
The operating system uniquely identifies each process by a unique id called as the process id.
Some of the Linux commands are:
Swap space is used to specify a space which is used by Linux to hold some concurrent running program temporarily. It is used when RAM does not have enough space to hold all programs that are executing.
BASH is a short form of Bourne Again SHell. It was a replacement to the original Bourne shell, written by Steve Bourne.
The root account is like a system administrator account. It provides you full control of the system. You can create and maintain user accounts, assign different permission for each account, etc.
CLI stands for Command Line Interface. It is an interface that allows users to type declarative commands to instruct the computer to perform operations.
GUI stands for Graphical User Interface. It uses the images and the icons which are clicked by the users to communicate with the system. It is more attractive and user-friendly because of the use of the images and icons.
Open Office Suite is available free for both Microsoft and Linux. You can install it on both of them.
Install Open Office Suite on Linux. It facilitates you to work with Microsoft documents.
SMTP stands for Simple Mail Transfer Protocol. It is an internet standard for mail transmission.
Samba service is used to connect Linux machines to Microsoft network resources by providing Microsoft SMB support.
255 characters.
No, There is no operating system till date that is virus free, but Linux is known to have less number of viruses.
/stc partition.
gunzip command is used to uncompress gzip files.
MD5 is an encryption method, so it is used to encrypt the passwords before saving.
The virtual desktop is used as an alternative to minimizing and maximizing different windows on the current desktop. Virtual desktop facilitates you to open one or more programs on a clean slate rather than minimizing or restoring all the needed programs.
In the soft mount, if the client fails to connect the server, it gives an error report and closes the connection whereas in the hard mount, if the client fails to access the server, the connection hangs; and once the system is up, it again accesses the server.
Yes, it works like windows.
There are 3 types of permissions in Linux OS that are given below:
There are 3 types of modes in vi Editor:
The following commands are used to exit from vi editors.
The following commands are used to delete information from vi editors.
Fri, 16 Jun 2023
Fri, 16 Jun 2023
Fri, 16 Jun 2023
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