Questions

1. What is the first return register for the System V architecture (64-bit) on Intel?
2. What is the first argument register for the System V architecture (64-bit) on Intel?
3. When pushing to the stack on Intel, do you add or subtract the stack pointer?
4. What is the difference between segments and sections in ELF?
5. What is stored in the .eh_frame section in an ELF file?
6. What is the difference between fork() and exec()?
7. When creating a Unix pipe, which file handle is the write file handle? The first, or the second?
8. What is the return value of the wait() system call?