Linux is a free and open source operating system released in 1991 for computers. But today, it works on computers, servers, mainframes, mobile devices, and embedded devices. Linux is one of the most popular versions of the UNIX Operating System. It was designed considering UNIX compatibility and thus it’s quite similar to Unix.

Linux-based operating systems are mostly used by developers to get their work done and develop something new. They are choosing a Linux distro for development because it’s easy to use as well as compatible with most of the programming languages i.e Java, PHP, HTML etc. Today, Linux is ideal for commercial network devices and enterprises who want to use it to customize their own network and data center infrastructure.

The following is a list of best Linux distributions for Development and Server Management:
  • Debian
  • Ubuntu
  • Fedora
  • CentOS/REDHAT
  • Raspbian
  • And more

Please check out our other article to get more information about these Linux distributions here.

Primary Components of Linux

These are the three primary components of this operating system:

Kernel

The kernel is a core part of the operating system. It performs all major activities. It consists of various modules and interacts directly with the internal hardware. The Main function of the kernel is to send instructions to the CPU, peripherals, and memory.

System Library

System libraries are the programs that allow application programs or system utilities to access the Kernel’s features.¬†These libraries are responsible for executing most of the OS programs. They don’t have the kernel module’s code access rights.

System Utility

System Utility programs are responsible to perform specialized, individual level tasks. Beyond tthe operating system it has two modes such as Kernel Mode and User Mode. The system runs programs under one of these modes.

Kernel Mode vs User Mode

Kernel Mode has full access to all resources of the system. In kernel mode programs represent a single process. It executes in single address space and does not require any context switch. Because of which this mode is very efficient and fast.

User programs and other system programs run in User Mode. It has no access to system hardware and kernel code. User programs use system libraries to access kernel functions to get the system’s low-level tasks done.

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