logstart
logoff
logon
logstate
logstop
Start logging anywhere in a session. default: ‘ipython_log.py’ in current directory, in ‘rotate’ mode, i.e. name.1~, name.2~, name.3~
Temporarily stop logging, logging must have been previously started.
Restart logging
Fully stop logging and close log file. In order to start logging again, a new %logstart call needs to be made.