This is dependent upon the version of Linux you are using:
export HISTTIMEFORMAT='%F %T ' history
Which should return:
998 2016-02-09 14:03:35 crontab -l | grep oracle 999 2016-02-09 14:03:35 crontab -l -u oracle
This is dependent upon the version of Linux you are using:
export HISTTIMEFORMAT='%F %T ' history
Which should return:
998 2016-02-09 14:03:35 crontab -l | grep oracle 999 2016-02-09 14:03:35 crontab -l -u oracle