screen的作用是建立新的进程，关闭当前窗口，程序继续执行。非常适用于linux远程 root115@115:~/Downloads$ ls -lth total 8.8G -rw-r--r-- 1 root root 4.6G Mar 30 15:22 CentOS-Stream-10-latest-x86_64-dvd1.iso -rw-r--r-- 1 root115 root115 240 Mar 30 09:15 wget -rw-r--r-- 1 root root 819M Mar 24 12:20 CentOS-Stream-10-latest-x86_64-boot.iso root115@115:~/Downloads$ screen -ls //列出进程 There is a screen on: 2382.wget (Detached) 1 Socket in /home/root115/.screen. root115@115:~/Downloads$ screen -r 2382 //查看进程 root115@115:~/Downloads$ screen -S wget //建立进程