Added information about starting a command shell on the device
Added information about starting a command shell on the device

cebash/SDL_PSL1GHT,cebash/SDL_PSL1GHT,cebash/SDL_PSL1GHT,aduros/SDL,aduros/SDL,aduros/SDL,cebash/SDL_PSL1GHT,aduros/SDL,aduros/SDL,cebash/SDL_PSL1GHT