Linux time command date

• date: Print time

　　

• date "+ customized information": custom format printing time

　　　　- date "+% H": print the number of hours the current time

　　　　

　　　　- date "+% H% M% S": When printing the current time Minutes

　　　　

　　　　- date "+% H:% M:% S": When printing the current time every minute, separated by a colon

　　　　

　　　　- date "+% H% M minutes when the% S seconds": custom characters separated by

　　　　

　　　　- date "+% Y years now": Year show