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A hostname is a human-friendly name given to a computer. It is a unique identifier that allows us to identify the machine in various network...
File permissions are core to the security model used by Linux systems. The file permission in Linux specifies how much power each user has over a...
The fstab file in Linux stands for "filesystem table" and is commonly found in the /etc directory. It typically lists all available disk partitions...
The init system is the very first process that starts on the system and its job is to schedule and manage all other processes on the system. It is...
Physical storage devices (hard disk, SSD, floppy disk, etc.) are the actual hardware components that store data. A single physical storage device can...
The sed command in Linux stands for Stream Editor. It is a powerful utility that parses and transforms text, using a simple, compact programming...
