1、memcached命令行 telnet 127.0.0.1 11211set key2 0 30 2abSTOREDget key2VALUE key2 0 2abEND cmd导出oracle表数据， 如： set key3 1 100 4abcdSTOREDget key3VALUE key3 1 4abcdENDreplace key3 1 200 5abcdxSTOREDget key3VALUE key3 1 5abcdxENDdelete key3DEL

php 命令行打印换行符Surprisingly, getting computers to give humans readable output is no easy feat. With the introduction of standard streams and specifically standard output, programs gained a way to talk to each other using plain text streams. But human

su - root 完全切换到root用户；su - arctic 完全切换到arctic用户：pwd:Print Working Directory 显示当前工作的目录文件地址ls-l:长格式；：：查看文件夹中文件的详细信息：ls -l =ll文件格式：-：表示普通文件;(f)