Post navigation ← Simple-Spring-Memcached深入研究 excel insert image from url → linux 命令 timestamp Posted on 2014/10/08 by kimnote_master 5052 Views date +%s returns the number of seconds since the epoch. date +%s%N returns the number of seconds + current nanoseconds. Therefore, echo $(($(date +%s%N)/1000000)) is what you need linux 命令 timestamp linux 命令 miliseconds