Some of Mostly Used Linux Terminologies
Naga Charan
DevOps Engineer @Infosys | kubernetes (CKA) & Azure (AZ-900) certified | Automating and reducing developer tools with Terraform . Github Actions . docker . kubernetes AWS cloud
Kernel :?
The kernel is considered the brain of the Linux operating system. It controls the hardware and makes the hardware interact with the applications.
Distribution :
A distribution also known as Distros is a collection of programs combined with the Linux kernel to make up a Linux-based operating system. Some common examples of a distribution are Red Hat Enterprise Linux, Fedora, Ubuntu, and Gentoo.
Boot Loader :
The boot loader, as the name implies, is a program that boots the operating system. Two examples of a boot loader are GRUB and ISOLINUX.
Service :
A service is a program that runs as a background process. Some examples of the service are httpd, nfsd, ntpd, ftpd and named.
File System :
A filesystem is a method for storing and organizing files in Linux. Some examples of filesystems are ext3, ext4, FAT, XFS and Btrfs.
Command line
The command line is an interface for typing commands on top of the operating system.
Shell :
The Shell is the command line interpreter that interprets the command line input and instructs the operating system to perform any necessary tasks and commands. For example, bash, tcsh and zsh.