Basta criar o seguinte script
/etc/profile.d/history_timestamp.sh<br />
Com o conteúdo abaixo:
#/bin/bash<br />
## This is a customization to allow to show timestamp when using history<br />
export HISTTIMEFORMAT='%F %T '
Ex:
998 2016-02-19 18:34:15 history<br />
999 2016-02-19 18:39:45 ps aux<br />
1000 2016-02-19 18:39:52 cd /var/log