date +%s 能打印出自1970-01-01 00:00:00到当前时间的秒数

时间：2023-03-08 18:08:08
[root@bass Desktop]# date +%s

1466561580

[root@bass Desktop]# python

Python 2.6.6 (r266:84292, Jul 23 2015, 15:22:56)

[GCC 4.4.7 20120313 (Red Hat 4.4.7-11)] on linux2

Type "help", "copyright", "credits" or "license" for more information.

>>> 60*60*24

86400

>>> 1466561580

1466561580

>>> 1466561580/86400

16974

>>> 1466561580/86400/365

46

>>>

>>> 1970-01-01

[root@bass Desktop]# date

Wed Jun 22 10:15:26 CST 2016