Frequently Used Commands in SAP

/nxxxx This terminates the current transaction, and starts transaction xxxx
/n This terminates the transaction. This generally corresponds to pressing F3 to go back.
/nend This termiantes all separate sessions and logs off (corresponds to System - Logoff).
/nex This terminates all separate sessions and logs off immediately (without any warning!).
/oxxxx This opens a new session and starts transaction xxxx in This session.
/o This lists existing sessions and allows deletion or opening of a new session.
/i This terminates the current session corresponds to System End
/i1, /i2,... This terminates the session with the number given.

ABAP/4
/h This switches into debugging mode.
/hs This switches into debugging mode and activates the debugging of sys functions.

Batch
The following commands can be entered in correction mode
'Process in foreground' or 'Display errors only')when processing a batch input session:
/bdel This deletes the current batch input transaction.
/bend This terminates batch input processing and sets the session to Failed
/bda This switches from Display errors only to Process in foreground
/bde This switches from Process in foreground to Display errors only

Buffer
WARNING: Resetting buffers can significantly change the performance of the entire system for a long time.It should therefore only be used where there is a good reason tdso. As of release 3.0B system administator authorization is required (authorization object (S_ADMI_FCD). The action is noted in the system log.

/$SYNC This resets all buffers of the application server
/$CUA This resets the CUA buffer of the application server
/$TAB This resets the TABLE buffers of the application server
/$NAM This resets the nametab buffer of the application server
/$DYNP This resets the screen buffer of the application server