date COMMAND:
date command prints the date and time.
SYNTAX:
The Syntax is
date [options] [+format] [date]
OPTIONS:
-a
Slowly adjust the time by sss.fff seconds (fff represents fractions of a second).
This adjustment can be positive or negative.Only system admin/ super user can adjust the time.
-s date-string
Sets the time and date to the value specfied in the datestring.
The datestr may contain the month names, timezones, 'am', 'pm', etc.
-u
Display (or set) the date in Greenwich Mean Time (GMT-universal time).
Format:
%a
Abbreviated weekday(Tue).
%A
Full weekday(Tuesday).
%b
Abbreviated month name(Jan).
%B
Full month name(January).
%c
Country-specific date and time format..
%D
Date in the format %m/%d/%y.
%j
Julian day of year (001-366).
%n
Insert a new line.
%p
String to indicate a.m. or p.m.
%T
Time in the format %H:%M:%S.
%t
Tab space.
%V
Week number in year (01-52); start week on Monday.
EXAMPLE:
date command
date
The above command will print Wed Jul 23 10:52:34 IST 2008
To use tab space:
date +"Date is %D %t Time is %T"
The above command will remove space and print as
Date is 07/23/08 Time is 10:52:34
To know the week number of the year,
date -V
The above command will print 30
To set the date,
date -s "10/08/2008 11:37:23"
The above command will print Wed Oct 08 11:37:23 IST 2008
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