Operating Systems
Windows, macOS, Linux, DOS, BSD, Solaris, AIX, HP-UX, ChromeOS, RTOS & more
Operating systems are the foundation of every computing device — from desktops and servers to mobile phones and embedded systems. This category covers all major OS families and core OS concepts.
Available Tutorials
Learning Path
flowchart LR
A[OS Overview] --> B[Process Scheduling]
A --> C[File Systems]
B --> D[Interprocess Communication]
D --> E[Virtualization & Containers]
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Published Topics
Operating Systems Explained — Complete Beginner's Guide
Learn what an operating system is, the major types (desktop, server, mobile, embedded, RTOS), kernel architectures (monolithic, microkernel, hybrid), and how OS components like process management, memory management, and file systems work together.
✓ LiveMS-DOS & FreeDOS — Complete Command-Line Guide
Learn MS-DOS and FreeDOS fundamentals: file system navigation (DIR, CD, MD, RD), file operations (COPY, DEL, REN, TYPE), batch file programming (BAT files with IF, FOR, GOTO), and CONFIG.SYS / AUTOEXEC.BAT configuration.
✓ LiveWindows Operating System — Complete Guide
Learn Microsoft Windows architecture: NT kernel, editions (Windows 11, Server 2025), file system (NTFS, ReFS), process management (Task Manager, services.msc), PowerShell, Group Policy, and Windows Security features.
✓ LivemacOS — Complete Guide for Developers
Learn Apple macOS from a developer perspective: Unix foundation (Darwin kernel, POSIX compliance), file system (APFS), command-line tools (Terminal, Homebrew), process management (Activity Monitor, launchd), security (Gatekeeper, SIP, FileVault), and automation (Automator, AppleScript, Shortcuts).
✓ LiveBSD Family Guide — FreeBSD, OpenBSD & NetBSD
Learn the BSD operating system family: FreeBSD for servers and ZFS, OpenBSD for security (pf firewall, pledge/unveil), NetBSD for portability, differences from Linux (base system vs GNU userland, ports vs pkgsrc), and practical usage.
✓ LiveOracle Solaris — Complete Guide to Enterprise UNIX
Learn Oracle Solaris: ZFS file system, Zones virtualization, DTrace for performance analysis, SMF service management, and Solaris 11 networking (IPnet, VNICs, ELI). Compare Solaris to Linux for enterprise environments.
✓ LiveIBM AIX — Complete Guide to Enterprise UNIX
Learn IBM AIX: Logical Volume Manager (LVM), Workload Partitions (WPARs), SMIT administration tool, AIX security (RBAC, trusted execution), performance tuning (topas, iostat, vmstat), and NIM for network installation.
✓ LiveHP-UX — Complete Guide to Enterprise UNIX
Learn HP-UX: HP-UX 11i v3 features, Logical Volume Manager (LVM), Ignite-UX for OS provisioning, Serviceguard for high-availability clustering, and system administration (SAM, swinstall, parstatus).
✓ LiveChromeOS & ChromiumOS — Complete Guide
Learn Google ChromeOS: verified boot security model, Linux container support (Crostini), Android app integration, ChromeOS Flex for older hardware, Chromebrew for developer tools, and enterprise management with Google Admin Console.
✓ LiveReal-Time Operating Systems (RTOS) — Complete Guide
Learn RTOS fundamentals: deterministic scheduling (Rate-Monotonic, Earliest Deadline First), FreeRTOS task management, inter-task communication (queues, semaphores, mutexes), memory management, and real-world applications in IoT and embedded systems.
✓ LiveProcess Scheduling Algorithms — FCFS, SJF, Round Robin & CFS
Learn process scheduling: FCFS, SJF (preemptive/non-preemptive), Round Robin, priority scheduling, multilevel feedback queue, CFS (Linux), and scheduling metrics like turnaround, waiting, and response time.
✓ LiveFile Systems Deep Dive — ext4, NTFS, APFS, Btrfs, ZFS & VFS
Learn file systems: ext4 inodes/extents/journaling, NTFS MFT/B-tree, APFS copy-on-write/snapshots, FAT32/exFAT, Btrfs, ZFS, VFS layer, hard vs symbolic links, partitioning, and mount points.
✓ LiveInterprocess Communication — Pipes, Message Queues, Shared Memory & Sockets
Learn IPC mechanisms: anonymous/named pipes, System V/POSIX message queues, shared memory (shmget, mmap), semaphores, signals, Unix domain sockets, and memory-mapped files with performance comparisons.
✓ LiveVirtualization & Containers — Hypervisors, Docker & Kubernetes Pod Isolation
Learn virtualization: Type 1/2 hypervisors, full vs para-virtualization, VT-x/AMD-V, Linux namespaces and cgroups, Docker internals (containerd, runc), and Kubernetes pod isolation.
✓ LiveAll 14 topics in Operating Systems are published.