《詳解linux後臺、前臺執行程序》
阿新 • • 發佈：2022-03-23
命令集合 command & # 未啟動的command放入後臺去執行 [rootlocalhost ~~22:24:35]#ping baidu.com > /tmp/ll.txt & [1] 3263 jobs # 檢視後臺程序列表 [rootlocalhost ~~22:24:41]#jobs [1]+ Running ping baidu.com > /tmp/ll.txt & ctrl + z # 暫停程序 [rootlocalhost ~~22:27:45]#ping baidu.com PING baidu.com (220.181.38.148) 56(84) bytes of data. 64 bytes from 220.181.38.148 (220.181.38.148): icmp_seq=1 ttl=49 time=7.01 ms 64 bytes from 220.181.38.148 (220.181.38.148): icmp_seq=2 ttl=49 time=7.32 ms 64 bytes from 220.181.38.148 (220.181.38.148): icmp_seq=3 ttl=49 time=7.29 ms ^Z [1]+ Stopped ping baidu.com bg # 程式放入後臺執行，和 & 一樣 rootlocalhost ~~22:32:22]#bg 1 [1]+ ping baidu.com & [rootlocalhost ~~22:32:46]#64 bytes from 220.181.38.148 (220.181.38.148): icmp_seq=4 ttl=49 time=6.70 ms 64 bytes from 220.181.38.148 (220.181.38.148): icmp_seq=5 ttl=49 time=7.20 ms 64 bytes from 220.181.38.148 (220.181.38.148): icmp_seq=6 ttl=49 time=7.04 ms 64 bytes from 220.181.38.148 (220.181.38.148): icmp_seq=7 ttl=49 time=6.95 ms 64 bytes from 220.181.38.148 (220.181.38.148): icmp_seq=8 ttl=49 time=7.05 fg # 將後臺任務放入前臺執行 [rootlocalhost ~~22:22:23]#ping baidu.com > /tmp/ll.txt & [1] 3241 [rootlocalhost ~~22:22:49]#fg 1 ping baidu.com > /tmp/ll.txt