c:
mkdir \GNU 
cd \GNU
mkdir bin
mkdir usr
mkdir usr\include
mkdir usr\include\sys
mkdir usr\include\towns
mkdir usr\lib
mkdir tmp
mkdir binuty
mkdir gas
mkdir libc
mkdir xm
mkdir math
mkdir math\int
mkdir math\emu
cd  B:gcc& 
lharc x -r B:bins 
lharc x -r B:bine 
lharc x -r B:usr 
copy  B:makeru*.* 
lharc x -r B:src\binuty 
lharc x -r B:src\gas 
rem if you don't want source code, delete the latter 
lharc x -r B:lib\libc 
cd math 
lharc x -r B:lib\math 
cd .. 
cd  B:\xm 
cd xm 
lharc x -r B:xm 
cd \ 
cd B:\ 
