Reference Manual for the
Elk UNIX Extension

Oliver Laumann

Table of Contents

• 1. Introduction  
• 2. Using the UNIX Extension  
• 3. Record Types  
• 4. Error Handling  
• 5. Conventions  
• 6. Low-Level I/O, File Descriptors  
• 7. Files and Directories  
• 8. Symbolic Links  
• 9. File and Record Locking  
• 10. Obtaining Password and Group File Entries  
• 11. Process Creation and Control  
• 12. Obtaining System Information  
• 13. Date and Time  
• 14. Signals  
• 15. Miscellaneous Functions  
• 16. Error Functions  
• 17. Examples