GECOS or gecos may stand for:
- General Electric Comprehensive Operating Supervisor (GECOS), which was later renamed to General Comprehensive Operating System (GCOS)
- gecos field, an entry in the /etc/passwd file containing personal data about the user on Unix operating systems
This disambiguation page lists articles associated with the title Gecos.If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: