COSIX

COSIX is a Chinese UNIX operating system developed since 1989 by China National Computer Software & Technology Service Corporation (CS&S). A jointly developed 64-bit version with Compaq was released in 1999.

COSIX

Developer	China National Computer Software & Technology Service Corporation (CS&S), Compaq
OS family	Unix (Tru64)
Initial release	1989; 36 years ago (1989)

An early version of the COSIX kernel was developed based on UNIX System V,^[1] and the 64-bit version was based on Tru64 UNIX.^[2] A Linux distribution named COSIX Linux was developed by CS&S and released in 1999, which had no technical relationship to COSIX.

See also

• SOX Unix