How to run OS Command from SAP, if you need to run some OS Command via SAP  you can do it from program RSBDCOS0 . Go to SE38 and run that program.

Execute OS Command (Logged in SYSLOG and Trace Files)

You just type your os command like terminal display in linux, Ffor sample , we want to create directory with name bigdata under path /usr/sap/S4H/D57/work .

run os command via sap

Other option you can use tcode SM69 to configure OS Command level.

Run command line sm69