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$ ./test.sh &
[1] 17208
$ jobs -l
[1]+ 17208 Running ./test.sh &
¶ÔÓÚÒѾÔÚǰִ̨ÐеÄÃüÁҲ¿ÉÒÔÖØÐ·ŵ½ºǫִ́ÐУ¬Ê×ÏȰ´ctrl+zÔÝÍ£ÒѾÔËÐеĽø³Ì£¬È»ºóʹÓÃbgÃüÁֹͣµÄ×÷Òµ·Åµ½ºǫ́ÔËÐУº
$ ./test.sh
[1]+ Stopped ./test.sh
$ bg %1
[1]+ ./test.sh &
$ jobs -l
[1]+ 22794 Running ./test.sh &
µ«ÊÇÈçÉÏ·½µ½ºǫִ́ÐеĽø³Ì£¬Æä¸¸½ø³Ì»¹Êǵ±Ç°ÖÕ¶ËshellµÄ½ø³Ì£¬¶øÒ»µ©¸¸½ø³ÌÍ˳ö£¬Ôò»á·¢ËÍhangupÐźŸøËùÓÐ×Ó½ø³Ì£¬×Ó½ø³ÌÊÕµ½hangupÒÔºóÒ²»áÍ˳ö¡£Èç¹ûÎÒÃÇÒªÔÚÍ˳öshellµÄʱºò¼ÌÐøÔËÐнø³Ì£¬ÔòÐèҪʹÓÃnohupºöÂÔhangupÐźţ¬»òÕßsetsid½«½«¸¸½ø³ÌÉèΪinit½ø³Ì(½ø³ÌºÅΪ1)
$ echo $$
21734
$ nohup ./test.sh &
[1] 29016
$ ps -ef | grep test
515 29710 21734 0 11:47 pts/12 00:00:00 /bin/sh ./test.sh
515 29713 21734 0 11:47 pts/12 00:00:00 grep test
$ setsid ./test.sh &
[1] 409
$ ps -ef | grep test
515 410 1 0 11:49 ? 00:00:00 /bin/sh ./test.sh
515 413 21734 0 11:49 pts/12 00:00:00 grep test
ÉÏÃæµÄÊÔÑéÑÝʾÁËʹÓÃnohup/setsid¼ÓÉÏ&ʹ½ø³ÌÔÚºǫ́ÔËÐУ¬Í¬Ê±²»Êܵ±Ç°shellÍ˳öµÄÓ°Ïì¡£ÄÇô¶ÔÓÚÒѾÔÚºǫ́ÔËÐеĽø³Ì£¬¸ÃÔõô°ìÄØ£¿¿ÉÒÔʹÓÃdisownÃüÁ
$ ./test.sh &
[1] 2539
$ jobs -l
[1]+ 2539 Running ./test.sh &
$ disown -h %1
$ ps -ef | grep test
515 410 1 0 11:49 ? 00:00:00 /bin/sh ./test.sh
515 2542 21734 0 11:52 pts/12 00:00:00 grep test
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$ (./test.sh &)
$ ps -ef | grep test
515 410 1 0 11:49 ? 00:00:00 /bin/sh ./test.sh
515 12483 21734 0 11:59 pts/12 00:00:00 grep test
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