The help display is in the following format:
bf [/bwl] <start> <end> <value> Fill memory with pattern
bm [/bwl] <start> <end> <dest> Copy block of memory
bo [/h] <unit> [<args>] Boot (load/execute) program from disk
br [/c] [<addr>] Set/Show/Clear breakpoints
bt [/bwl] <start> <end> <value> Test memory for pattern
help Display command help
md [/bwl] <start> [<end>] Dump memory
mm [/bwl] <addr> Modify memory
radix [hex/dec] Set/show default input radix
size [byte/word/long] Set/show default access size
