Shell commands: info : returns info on build of shell. exe*[app] : executes a default app (currently the only app assignesd is 'draw') store*add*[filename]*[data] : Saves text in the file manager. store*edit*[filename]*[newdata] : owerwites existing file with new data store*del*[filename] : deletes file store*show*[filename] : shows file contents math*plus*[num1]*[num2] : does addition math*minus*[bignum]*[smallnum] :does subtraction math*mul*[num1]*[num2] : does multiplication of 2 numbers.