[FreeBSD] I/O System, Descriptor and Socket IPC

2.7 I/O System OverviewThe basic model of the UNIX I/O system is a sequence of bytes that can be accessed either randomly or sequentially. There are no access methods and no control blocks in a typical UNIX user process. Different programs expect various levels of structure, but the kernel does not impose structure on I/O. For instance, the convention for text files is lines of ASCII characters ..

2024.06.25