Sometime we want to record cmd and outputs in the interactive shell sessions. However history cmd cannot do this. So we need cmd line recording tool like script and scriptreplay.
Master‘s Shoulder：How to Record and Replay Linux Terminal Sessions using ‘script’ and ‘scriptreplay’ Commands
script cmdhist.log
This starts the script recording process, which underlyingly is spawning a new shell, all successive cmds you type is in the new shell.
exit
This exits the new shell created by script cmd.
script --timing=time.log cmdhist.log
This will populate another time.log file that keeps the timestamp of each historical cmd step.
To replay such cmdhist.log, you need time.log and scriptreplay cmd.
scriptreplay --timing=time.txt script.log
Linux Cmd Tool 系列之—script & scriptreplay
原文：http://www.cnblogs.com/moong/p/5918336.html