The following command sets the time stamp information associated with each history entry to view the history of the command by date and time:
#HISTTIMEFORMAT="%d/%m/%y %T "
or
#echo 'export HISTTIMEFORMAT="%d/%m/%y %T "' >> ~/.bash_profile
Where,
%d - Day
%m - Month
%y - Year
%T - Time
Then type history command to view the command history with date and time:#history
Sample output:---
1002 02/11/13 03:43:37 HISTTIMEFORMAT="%d/%m/%y %T "
1003 02/11/13 03:43:42 pwd
1004 02/11/13 03:43:48 ls -l
1005 02/11/13 03:43:56 date
1006 02/11/13 03:44:13 history
---
