Program Example24; { Program to demonstrate the Chown function. } Uses BaseUnix; Var UID : TUid; GID : TGid; F : Text; begin Writeln ('This will only work if you are root.'); Write ('Enter a UID : ');readln(UID); Write ('Enter a GID : ');readln(GID); Assign (f,'test.txt'); Rewrite (f); Writeln (f,'The owner of this file should become : '); Writeln (f,'UID : ',UID); Writeln (f,'GID : ',GID); Close (F); if fpChown ('test.txt',UID,GID)<>0 then if fpgeterrno=ESysEPERM then Writeln ('You are not root !') else Writeln ('Chmod failed with exit code : ',fpgeterrno) else Writeln ('Changed owner successfully !'); end.