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Terminal Mastery

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Lessons
Foundations
01What Is a Shell?
12 min
02CLI vs GUI — Two ways to interact with a computer
14 min
03Qu'est-ce que Bash ?
15 min
04Popular Shells — Bash, Zsh, Fish, and sh
16 min
05What is scripting?
16 min
06Configure Bash — Your working environment
18 min
Linux Basics
07Linux Filesystem Tree — Everything Is a File
16 min
08Move around — cd, pwd, and ls
18 min
09Create, copy, move, delete
20 min
10Linux Permissions — Read, Modify, and Understand Access Rights
22 min
11Finding Files — find and locate
20 min
12Completion and Keyboard Shortcuts — Type Less, Do More
18 min
Flux et traitement de texte
13stdin, stdout and stderr — The Three Data Streams
16 min
14Redirect output — > and >>
16 min
15Redirect input — <
14 min
16Pipes — Connecting Commands Together
20 min
17Redirect stderr — Handling errors in your pipelines
18 min
18Advanced pipelines and recap
20 min
19grep — Filter and Search in Text
20 min
20sed — Transform text on the fly
20 min
21awk — Processing Structured Data
22 min
22sort, uniq, and wc — Sort, deduplicate, and count
16 min
23cut, paste and join — Working with columns
16 min
24tr — Transforming Characters
14 min
Éditeurs de texte
25Choosing your editor — nano, vim, and the others
12 min
26nano — The Accessible Editor
14 min
27vim — Understanding Modes
18 min
28vim — Movements, Operators, and Search
20 min
29vim — Registers, Macros, and Windows
20 min
30Configure your editor — .vimrc and .nanorc
14 min
Scripting Bash
31Variables and Types in Bash
18 min
32Operators and Arithmetic in Bash
16 min
33Conditions — if, elif, else and case
18 min
34Loops — for, while, and until
20 min
35Functions — Organize and reuse code
18 min
36Debugging and script robustness
18 min
Processus et planification
37Understanding Linux processes
16 min
38ps and top — Observing processes
18 min
39Job control — fg, bg, nohup, and screen
18 min
40cron and at — Scheduling tasks
18 min
41kill, nice and renice — Control Priorities
14 min
42lsof, fuser, and Summary — Inspect Resources
16 min
Réseau
43Ping, traceroute and network diagnostics
16 min
44curl and wget — Interacting with the web
20 min
45SSH — Secure remote connections
22 min
46rsync — Smart file synchronization
18 min
47ss, netstat, and nmap — Inspect the network
18 min
48nc, tcpdump, and Network Summary
16 min
Administration système
49apt and yum — Package Management
18 min
50tar, gzip and zip — Managing Archives
16 min
51df, du, mount and lsblk — Disks and storage
16 min
52systemd and journalctl — Managing Services
18 min
53Advanced Users, Groups, and Permissions
18 min
54Final Synthesis — Your Reference Workflow
20 min

Lesson 53

Advanced Users, Groups, and Permissions

Master Linux user and group management, advanced permissions (setuid, setgid, sticky bit), sudo, and ACLs for precise access control.

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