Shell Programming Advanced 1.3data Command

The date command is the command that displays the DateTime

Date

Friday, January 01, 2016 15:05:01 CST

The option to modify the time is-s

" 2016-01-01 12:56:10 "

View Calendar

Aa.

Annual Calendar

Cal-y

Time to synchronize the server

Yum Install Ntp-y

Ntpdate ntp.fudan.edu.cn

Use of date

Date +%
F Month Day
T hours and seconds
Y four digits of the year
Y two digits of the year
M month
D-Day
W this year's the first few weeks
W weeks
H time
M min
s S
s how many seconds away from 1970-01-01 00:00

Combination usage

Date +"%y-%m-%d%h:%m:%s"

2016-01-01 16:11:30

option of date-D, date two days ago

" -2 days " +%f

2015-12-30

" -2 month " +%f

2015-11-01

Hour min sec can be

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Shell Programming Advanced 1.3data Command