Locking the whole SAP system

SAP System Lock and Unlock

• Use the command: 

tp locksys «SysID» 
This restricts system access so that only the user SAP* can log in.

• To cancel the lock, run: 

tp unlocksys «SysID»

Connection Between SAP and the Operating System

• The command: 

sapevt 
can be used to trigger an event from the operating system.

• As a result, a job previously defined within R/3 will be released.

SQL Error Code Assistance

• Run the command: 

oerr ora «error number» 
under the user ora«SysID» to obtain details about the specified Oracle error.

Oracle Import and Export Utilities

• Run the command: 

imp help=yes 
under the user ora«SysID» to display help information for the import utility.

• The same format can also be applied to:
• exp
• impst
• expst

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SAP ABAP/4 Programming, Basis Administration, Configuration Hints and Tips