All notes
Byebug

Intro

github.com.

---------- Program Stack
b[ack]t[race] — a.k.a. “w[here]”
Display stack trace.
f[rame] <frame-number>
Moves to <frame-number> (frame numbers are shown by bt). With no argument, shows the current frame.
up <number>
Move up <number> frames (or 1, if no number specified).
down <number>
Move down <number> frames (or 1, if no number specified).

restart
# You can restart the program using restart [program args].
# This is a re-exec - all byebug state is lost.
# You won't be able to restart your program in all cases.