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