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What is Linux? Linux is a powerful, open-source operating system that serves as the backbone of countless technologies we use every day. It was created by Linus Torvalds in 1991 and is based on the Unix operating system. Unlike proprietary operati...
What is Linux Kernel? The Linux kernel is the core part of the Linux operating system and acts as a bridge between software applications and the computer hardware. It is responsible for managing the system's resources, such as the CPU, memory, and ...
Introduction to Package Managers One of the common ways to categorize Linux distribution is by the package manager it uses. For example: Distributions such as RHEL, Fedora and CentOS. are based on RPM. Hence they are known as RPM based distributio...
File Compression and Archival Viewing file sizes du (disk usage): To inspect the size of the file. du -sk: shows the size of a file or directory in Kilobytes. $ du -sk test.img # command 100000 # output du -sh: shows ...
DNS in Linux Let’s say we have 2 computers A (192.168.1.10) and B (192.168.1.11) connected with a common network. To check the connectivity between this two servers, we can run ping command on on computer (A) to the other using other computers I...
Linux Accounts A Linux account is a unique user identity that grants access to a Linux system. It consists of a combination of a username, password, user ID (UID), group ID (GID), and associated permissions that define the user's ability to interac...