/usr/local/SAS

/usr/local/SAS is the default location for SASHOME. (On Windows, it is C:\Program Files\SASHome.

SASHOME is the default installation directory for all SAS products (software) that are installed on a specific system.

The *!SASROOT* directory is installed in a subdirectory within SASHOME, by default under SASHOME/SASFoundation/9.x (x = release).

With multiple SASHOMEs, it's possible to install different versions of SAS on one computer.