Linux Fundamentals

Linux Fundamentals Series

10 chapters covering everything from kernel architecture to shell scripting. Read in order or jump to the chapter you need.

Series HomeInteractive reader with sidebar nav Unix FundamentalsQuick command reference for AIX admins
1

Introduction to Linux

Kernel, shell, distributions and enterprise concepts.

→ 2

Filesystem & Essential Commands

Hierarchy, navigation, file operations and redirection.

→ 3

Permissions & Ownership

chmod, chown, umask, ACLs, SUID and SGID.

→ 4

Users & Groups Administration

useradd, groupmod, sudo and account lifecycle.

→ 5

Advanced Text Processing

grep, sed, awk, cut and pipeline patterns.

→ 6

Service & Daemon Management

systemctl, journalctl and service troubleshooting.

→ 7

Storage Administration & LVM

Partitions, LVM volumes and filesystem management.

→ 8

Networking Fundamentals

Interfaces, routing, DNS and firewall basics.

→ 9

Storage & Persistent Mounts

fstab, automount and production mount strategies.

→ 10

Shell Scripting

Variables, loops, functions and automation patterns.

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