Linux shell adds or subtracts an hour or a minute from the specified date

Subtracts the specified day from the specified date

[Email protected] init_env]$ date-d "20150416 3 days" + "%y%m%d%h"

2015041912

Adds the specified hour to the specified date

[Email protected] init_env]$ date-d "20150416 3 hour" + "%y%m%d%h"

2015041615

Subtracts the specified hour from the specified date

[Email protected] init_env]$ date-d "20150416 12-1 Hour" + "%y%m%d%h"

2015041611

Adds a specified minute to the specified date

[Email protected] init_env]$ date-d "20150416 12:20 minute" + "%y%m%d%h%m"

201504161230

Linux shell adds or subtracts an hour or a minute from the specified date