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33. Unix Specific Services
The modules described in this chapter provide interfaces to features that are unique to the Unix operating system, or in some cases to some or many variants of it. Here’s an overview:
- 33.1. posix — The most common POSIX system calls
- 33.2. pwd — The password database
- 33.3. spwd — The shadow password database
- 33.4. grp — The group database
- 33.5. crypt — Function to check Unix passwords
- 33.6. termios — POSIX style tty control
- 33.7. tty — Terminal control functions
- 33.8. pty — Pseudo-terminal utilities
- 33.9. fcntl — The fcntl() and ioctl() system calls
- 33.10. pipes — Interface to shell pipelines
- 33.11. resource — Resource usage information
- 33.12. nis — Interface to Sun’s NIS (Yellow Pages)
- 33.13. syslog — Unix syslog library routines