Logical Operating System Commands
Users can execute logical operating system commands as external commands with the SAP Web AS ABAP system.
Both the maintenance and execution of external commands are protected by SAP system authorizations. External commands can be maintained and executed either on-line (from the CCMS menu) or in ABAP programs, using special function modules.

Every user with either programmer or debugging authorizations can execute any of the operating system commands as user <sid>adm. Therefore, be careful with assigning programming or debugging authorizations!
See the following topics:
· Restrict Authorizations for Maintaining External Commands
· Restrict Authorizations for Executing External Commands
· Additional Information on Logical Operating System Commands