Other starting configurations (mostly used for testing purposes) include
"make allbareconfig" (enables all applets but disables all optional features),
"make allyesconfig" (enables absolutely everything including debug features),
-and "make randconfig" (produce a random configuration).
+and "make randconfig" (produce a random configuration). The configs/ directory
+contains a number of additional configuration files ending in _defconfig which
+are useful in specific cases. "make help" will list them.
Configuring BusyBox produces a file ".config", which can be saved for future
use. Run "make oldconfig" to bring a .config file from an older version of