UNIX Standardization
ANSI C
- Programming language standard for C
- Define C syntax and standard library function
- Ensure C portability across different compilers/platforms
POSIX
- Define APIs for software compatibility across different UNIX branches
SSD
Unbuffered I/O
File I/O
File I/O
- D-SP-Ch3b-open_openat
- D-SP-Ch3c-creat_close
- D-SP-Ch3d-lseek
- D-SP-Ch3e-read_write
- D-SP-Ch3f-dup_dup2
- D-SP-Ch3g-sync_fsync_fdatasync
- D-SP-Ch3h-fcntl
- D-SP-Ch3i-ioctl