【Linux】date コマンド

# date –set 2013-06-02 23:26:00
# date –set 2017-06-22 10:13:00

[ec2-user@ip-172-31-9-213 ~]$ date +%Y%m%d-%H%M%S
20190620-140217
[ec2-user@ip-172-31-9-213 ~]$

%d day of month (e.g., 01)

%D date; same as %m/%d/%y

%e day of month, space padded; same as %_d

%F full date; same as %Y-%m-%d

%H hour (00..23)

%I hour (01..12)

%m month (01..12)

%M minute (00..59)

%s seconds since 1970-01-01 00:00:00 UTC

%S second (00..60)

%T time; same as %H:%M:%S

%u day of week (1..7); 1 is Monday

%U week number of year, with Sunday as first day of week (00..53)

%w day of week (0..6); 0 is Sunday

%W week number of year, with Monday as first day of week (00..53)

%x locale’s date representation (e.g., 12/31/99)

%X locale’s time representation (e.g., 23:13:48)

%Y year

[ec2-user@ip-172-31-9-213 ~]$ touch `date +%Y%m%d_%H%M%S`.txt
[ec2-user@ip-172-31-9-213 ~]$ ls -l
total 0
-rw-rw-r–.   1   ec2-user ec2-user   0   Jun 20 13:58   20190620_135852.txt
[ec2-user@ip-172-31-9-213 ~]$