AS/400 Intro Reference

How do I change the logging level?
-CHGJOB LOG(4 00 *SECLVL) LOGCLPGM(*YES)

How do I view my job log?
-call qcmd

List of frequently used commands for AS/400

What command do I use to see the status of a transfer file?
-wrkdstq

What command do I use if I want to see history on my screen?
-call qcmd, then F10

What command do I use if I want to see a more detailed description of the history?

How do I power down the AS/400?
-pwrdwnsys, F4 - make sure IPL is * YES