Unix
1. Systemd vs. SysV Init (Modern UNIX Variants)
2. Password Policies in Unix Using passwd?
3. Creating Groups in Unix Using groupadd?
4. Creating Users in Unix Using useradd?
5. Piping and Filters in Unix/Linux
6. Functions in Shell Scripts
7. Hard Links vs Soft Links in Unix
8. Inode Concept in UNIX/Linux
9. Systemd Unit File Structure
10. User Login Shell in Unix/Linux
11. Runlevels in UNIX (SysV init)
12. UNIX Boot Process Explained
13. Text Processing Tools in Unix
14. User & Group Management in Unix
15. Scheduling in Unix
16. Process Management in Unix
17. difference between Multithreading and Multiprocessing in UNIX/Linux.
18. Intrusion Detection Basics
19. Interview Troubleshooting Questions
20. Troubleshooting Scenarios
21. Logrotate vs Journalctl Rotation
22. Manual vs Automatic Log Rotation
23. Log Rotation in UNIX/Linux
24. System Logging in UNIX/Linux
25. Auditing in UNIX/Linux (auditd)
26. User Session Monitoring in UNIX/Linux
27. threads in UNIX.
28. Fail2ban and Brute Force Protection in UNIX/Linux
29. What is Job Control?
30. Foreground Processes
31. That is where ps, top, and htop come in.
32. What Is a Process in Unix?
33. User Resource Limits in Unix/Linux (ulimit)
34. Creating Groups in Unix Using groupadd?
35. Loop Control
36. Getting Started
37. Introduction to Unix
38. Decision Making
39. System Logging
40. Signals and Traps
41. User Administration
42. System Performance
43. Regular Expressions
44. Passwords
45. Shell Loops
46. Basic Operators
47. Using Arrays
48. Special Variables
49. Shell Variables
50. What is Shell ?
51. Shell Programming
52. Shell Input Output Redirections
53. UNIX Commands
54. UNIX Commands
55. The UNIX Filing System
56. UNIX File Management
57. Miscellaneous Commands
58. Piping Commands
59. kernel in unix
60. Features of UNIX
61. Advantages of UNIX
62. Disadvantages of UNIX
63. permissions in UNIX.
64. UNIX shell
65. UNIX File System
66. System Calls in UNIX
67. Process in UNIX