| Command | Output | 
| oslevel | displays operating system level | 
| lsdev -Cc memory | lists total physical memory | 
| lsdev -Cc disk | displays total physical disk space | 
| ulimit -a | lists resource limits per user | 
| lsps -a | displays paging space | 
| df -k | displays filesystem utilization | 
| du <path> | displays filespace consumed by files in
path | 
| errpt -a | displays error log | 
| lslpp -h <fileset name> | finds levels of filesets | 
| lslpp -l | lists installed filesets | 
| lslpp -f | finds files in each fileset | 
| lsdisp | lists type of adapter installed | 
| lsdev -C | lists all adapters | 
| rmdev -l <device name> | removes the named device | 
| lscfg | lists devices |