Unix [SEP] programming language
, and Sun Microsystems (Solaris). In the early 1990s, AT&T sold its rights in Unix to Novell, which then sold its Unix business to the Santa Cruz Operation (SCO) in 1995. The UNIX trademark passed to The Open Group, a neutral industry consortium, which allows the use of the mark for certified operating systems that comply with the Single UNIX Specification (SUS). As of 2014, the Unix version with the largest installed base is Apple's macOS.
Unix systems are characterized by a modular
, a 3,000 V overhead line loco of 1957
Further reading.
- Giovanni Cornolò, Locomotive elettriche FS, Parma, Ermanno Albertelli Editore, 1983, pp. 39–43.
- Stefano Garzaro, Locomotive elettriche FS,1986, editrice Elledi