In Unix, how can I display information about the operating system?

On most Unix systems, you can use the uname command to determine which Unix system (e.g., SunOS, AIX, IRIX, Linux, Darwin) is running on your computer. On most systems, to obtain additional information about the operating system, at the Unix prompt, enter:

To find out what the uname -a command displays, and what additional options it supports, at the Unix prompt, enter:

At Indiana University, to get support for personal or departmental Linux or Unix systems, see At IU, how do I get support for Linux or Unix?

Also see:

• About Linux
• In Unix, how can I find the current values of all my environment variables and functions?
• What are SunOS and Solaris?
• What are System V Unix and SVR4?
• In Unix, what are Version 6 and Version 7?
• What is AIX?
• What is BSD?
• What is IRIX?