Unit VI: Security and System Handling | BCA 7th Semester Linux Operating System Notes Pdf

Security should be one of the foremost thoughts at all stages of setting up our Linux computer. To implement a good security policy on a machine requires a good knowledge of the fundamentals of Linux as well as some of the applications and protocols that are used.

In this “Security and System Handling - Linux” you will learn about following topics:

1. Understanding Shell Scripts
2. Executing and Debugging Shell Scripts
3. Understanding Shell Variables
4. Performing Arithmetic in Shell Scripts
5. Using Programming Constructs In Shell Scripts
6. System Start-Up and Shut Down
7. Starting Run-Level Scripts
8. Changing Run-Level Script Behavior
9. Reorganizing Or Removing Run-Level Scripts
10. Adding Run-Level Scripts
11. Manipulating Run Levels
12. Scheduling System Tasks
13. Submitting Scheduled Jobs
14. Viewing Scheduled Jobs
15. Deleting Scheduled Jobs
16. Using the Cron Facility
17. Modifying Scheduled Tasks With Crontab
18. Understanding Cron Files
19. Backing Up and Restoring
20. Selecting a Backup Strategy
21. Selecting a Backup Medium
22. Backing Up Files with dump
23. Automating Backups with cron
24. Restoring Backed Up Files
25. Using Password Protection
26. Choosing Good Passwords
27. Using A Shadow Password File
28. Breaking Encrypted Passwords
29. Checking For The Shadow Password File
30. File Security
31. Ownership of Linux files
32. Permissions
33. Finding Files with Unwanted Permissions
34. The File Mask
35. Files Versus Directories

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BCA 7th Semester Linux Operating System Notes Pdf:

• Unit I: Introduction Of Linux
• Unit II: Basics Of Linux
• Unit III: Installation Of Linux
• Unit IV: System Administration
• Unit V: User Management
• Unit VII: Setting Up A Web Server
• Unit VIII: Setting Up DHCP And NIS
• Unit IX: Setting Up A MySQL Database Server
• Unit X: Setting up DNS Servers
• Unit XI: ISP Simulation