To execute a dos command from ABAP 
*
* Written by : SAP Basis, ABAP Programming and Other IMG Stuff
*              http://www.erpgreat.com
*
* To execute a dos command from ABAP, you need to create a bat file.
*
* Use the windows notepad to create this bat file in c:\ :-
*
* test.bat
* c:\
* cd\temp
* dir /p
*
REPORT ZDOSCOMMAND NO STANDARD PAGE HEADING.

PARAMETERS: DOSCMD(30) DEFAULT 'c:\test.bat' LOWER CASE.

call function 'GUI_EXEC'
  exporting
    command          = DOSCMD.

*-- End of program.

Fast Links:
Example of Report Tree
Reporting Tree in ABAP

SAP Books
SAP Certification, Functional, Basis Administration and ABAP Programming Reference Books

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ABAP and Samples Program Codes for Abapers

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