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This article lists the main top‑level directories in a typical Linux filesystem—such as bin, sbin, etc, usr, home, root, dev, lib, mnt, boot, tmp, and var—and explains the purpose of each directory.
The article outlines the Linux boot sequence: BIOS performs hardware detection and self‑test, selects the boot device, runs the MBR boot loader (such as GRUB), loads the kernel which probes hardware and starts init, and finally init prepares the environment, starts services, and launches the login prompt.
This article provides a step‑by‑step walkthrough of common Git operations—including repository initialization, staging, committing, viewing status, diffing, logging, reverting, remote configuration, branching, tagging, and .gitignore setup—illustrated with command examples and screenshots.
