默认的history是没时间戳,通过设置变量可能添加时间戳

#export HISTTIMEFORMAT="%F %T `whoami` "

# history

  553  2015-06-04 10:05:53 root cd
  554  2015-06-04 10:05:53 root cd python/
  555  2015-06-04 10:05:53 root ll
  556  2015-06-04 10:05:53 root cd Python-3.4.3
  557  2015-06-04 10:05:53 root ll
  558  2015-06-04 10:05:53 root ./configure
  559  2015-06-04 10:05:53 root make
  560  2015-06-04 10:05:53 root make install
  561  2015-06-04 10:05:53 root python -v
  562  2015-06-04 10:05:53 root rpm -qa | grep python
  563  2015-06-04 10:05:53 root thon-pycurl-7.19.0-8.el6.x86_64
  564  2015-06-04 10:05:53 root python-kerberos-1.1-6.2.el6.x86_64
  565  2015-06-04 10:05:53 root python-krbV-1.0.90-3.el6.x86_64
  566  2015-06-04 10:05:53 root libproxy-python-0.3.0-4.el6_3.x86_64
  567  2015-06-04 10:05:53 root python-iwlib-0.1-1.2.el6.x86_64
  568  2015-06-04 10:05:53 root gnome-python2-2.28.0-3.el6.x86_64