i5/OS® includes several important functions to help you manage and maintain system performance.
These commands allow you to perform real-time monitoring of performance data from the character-based interface. You can use these commands to answer specific questions about system performance and to help you tune your system. For information about real-time monitoring from iSeries™ Navigator, see iSeries Navigator monitors.
| Command | Function |
|---|---|
| Work with Active Jobs (WRKACTJOB) | Allows you to review and change the attributes and resource utilization of the jobs running on your system. |
| Work with Disk Status (WRKDSKSTS) | Display the performance information and attributes for system disk units. |
| Work with System Status (WRKSYSSTS) | Provides an overview of current system activity. Specifically, it displays the number of jobs on the system and storage pool utilization information. |
| Work with System Activity (WRKSYSACT) | Work with jobs and tasks on your system. This command is part of the Performance Tools licensed program (PT1). |
| Work with Object Locks (WRKOBJLCK) | Work with and display locks on a specified object, including locks waiting to be applied. |
| Work with Shared Storage Pools (WRKSHRPOOL) | Display the utilization information and change attributes of shared storage pools, including machine and base pool. |