/usr/ucb/ps in Sun Microsystems Solaris 8 and 9, and certain earlier releases, allows local users to view the environment variables and values of arbitrary processes via the -e option.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Solaris | Sun | 9.0 (including) | 9.0 (including) |
| Sunos | Sun | 5.8 (including) | 5.8 (including) |