- Boot Process
- Boot Framework
- Starting/Stopping Services and Bootscripts
| - Commands & Tools
- File Handling
- Help
- Job Scheduling
- Regex
- Text Processing
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- File Systems
- File System Structure
- File System Types
- Maintenance & Administration Tasks
- Mounting, Unmouting & Automounting
- Removable Media
| - Files
- File Types
- Ownership & Permissions
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- Generic Unix Administration
- Kernel Parameters
- Memory Management
- Virtual Consoles and Terminals
| - Health Monitoring
- *stat
- File System Monitoring
- SNMP
- Syslog
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- Networking Concepts
- Ethernet
- IP Addressing
- Network Interfaces
- OSI, TCP/IP Protocol Stacks
- TCP and UDP
| - Networking Services
- E-mail
- HTTP and FTP Server
- Naming and Directory Services
- Others
- Routing, Gateway, Proxy
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- Performance Tuning
- Disc
- Kernel
- Memory
| - Processes
- Generic Process Management
- Hierarchical Architecture
- Job Control
- Process Types, Attributes and States
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- Security
- File System Security
- Network Security
- User Security
| - Services and Applications
- File Sharing
- Network File System
- Print Server
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- Shells & Shell Scripting
- Concepts
- Shell Scripting and Environment Variables
| - Troubleshooting
- Applications/Processes
- Hardware
- Networking
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- User Maintenance
- User Groups
- User Management
| |