This is an advanced course in UNIX system facilities. It complements the operating systems course, in that it provides hands-on experience with such facilities as signals, semaphores and file locks. Familiarity with the C language is assumed.
About 40% of the course is devoted to UNIX shell programming and some useful utilities like sed and awk. The rest of the course does the UNIX system calls in detail – unbuffered I/O, directories, process creation, signals, pipes, record locks, interprocess communication, terminal handling and some tcp/ip calls.