http://blog.clearnetsec.com/articles/tag/bash en-us 40 <p> This is worth the extra effort -- ensuring you have bash 3.x installed (3.2 is the current version). It enables you to set an environment variable to record the time and date of executed commands. </p> <blockquote> $ export HISTTIMEFORMAT="%h/%m - %H:%M:%S "<br /> <br /> $ history | tail -2<br /> 1006 Jan/01 - 19:24:02 ls<br /> 1007 Jan/01 - 19:24:07 history | tail -2<br /> </blockquote> <p> A potential forensic treasure when needed. </p> Tue, 30 Jan 2007 19:07:00 -0700 urn:uuid:281f10c5-11d4-40f8-9eac-20e756a38b8c tate@ClearNetSec.com (Tate Hansen) http://blog.clearnetsec.com/articles/2007/01/30/quick-tip-bash-3-x-supports-timestamps-in-history-entries ClearNet ClearNet Security Tate Hansen bash history timestamps