神之一招

摘要： cd pwd mkdir -p a/b/c rmdir -p a/b/c basename /tmp/aaa dirname /tmp/aaa head -3 tail -3 umask -S su - oracle shutdown -h now, shutdown -r +5, shutdown -r 10:35, shutdown -c poweroff lsls -Srh ( 查看大小,size) ll -t ( 按照时间排序 ) ifconfig ping cat more history passwd id who lastlog uniq ls | uniq wc ls | w. 阅读全文