Linux command to list all available commands and aliases

Question

Is there a Linux command that will list all available commands and aliases for this terminal session?

As if you typed \'a\' and pressed tab, but for every letter of

Answer 1

shortcut method to list out all commands. Open terminal and press two times "tab" button. Thats show all commands in terminal

Answer 2

maybe i'm misunderstanding but what if you press Escape until you got the Display All X possibilities ?