jbanaszczyk Jun 98 0 2014-07-15 #1 Option /O for commands: ALIAS and SET ALIAS /O(verwrite) SET /O Don't overwrite
cgunhouse Dec 236 2 2014-07-15 #2 SET /? SET [/A /D /E /O /P /R file... /RO /S /U /V /X] [name[=][value ]] file: One or more files containing variable definitions /A(rithmetic) /R(ead from file) /D(efault variables) /S(ystem variables) /E(nv vars) /U(ser variables) /O(verwrite) /V(olatile variables) /P(ause) /X override VariableExclude So it is probably a documentation errror and not an inconsistency issue.
SET /? SET [/A /D /E /O /P /R file... /RO /S /U /V /X] [name[=][value ]] file: One or more files containing variable definitions /A(rithmetic) /R(ead from file) /D(efault variables) /S(ystem variables) /E(nv vars) /U(ser variables) /O(verwrite) /V(olatile variables) /P(ause) /X override VariableExclude So it is probably a documentation errror and not an inconsistency issue.