add platform specific function which may override invoked command
treedc1fb0aac2c5b77b4feb9209127d8e11aa3b0d30
-rw-r--r-- 28 .gitignore
-rw-r--r-- 576 NOTES
-rw-r--r-- 270 README.txt
drwxr-xr-x - common
drwxr-xr-x - compat
drwxr-xr-x - explorer