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nohup
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nohup command &
ʹÓÃnohupÃüÁîÌá½»×÷Òµ
Èç¹ûʹÓÃn o h u pÃüÁîÌá½»×÷Òµ£¬ÄÇôÔÚȱʡÇé¿öϸÃ×÷ÒµµÄËùÓÐÊä³ö¶¼±»Öض¨Ïòµ½Ò»¸öÃûΪn o h u p . o u tµÄÎļþÖУ¬³ý·ÇÁíÍâÖ¸¶¨ÁËÊä³öÎļþ£º
´úÂë:
nohup command > myout.file 2>&1
ÔÚÉÏÃæµÄÀý×ÓÖУ¬Êä³ö±»Öض¨Ïòµ½m y o u t . f i l eÎļþÖС£
ÈÃÎÒÃÇÀ´¿´Ò»¸öÀý×Ó£¬ÑéÖ¤Ò»ÏÂÔÚÍ˳öÕÊ»§ºóÏàÓ¦µÄ×÷ÒµÊÇ·ñÄܹ»¼ÌÐøÔËÐС£ÎÒÃÇÏÈÌá½»Ò»¸öÃûΪp s 1µÄÈÕÖ¾Çå³ý½ø³Ì£º
´úÂë:
$nobup ps1 &
ÏÖÔÚÍ˳ö¸Ãs h e l l£¬ÔÙÖØеǼ£¬È»ºóÖ´ÐÐÏÂÃæµÄÃüÁ
´úÂë:
$ps x |grep ps1
ÎÒÃÇ¿´µ½£¬¸Ã½Å±¾»¹ÔÚÔËÐС£Èç¹ûϵͳ²»Ö§³Öps xÃüÁʹÓÃps -ef|grep ps1ÃüÁî¡£
5.Ò»´ÎÌá½»¼¸¸ö×÷Òµ
Èç¹ûÏ£ÍûÒ»´ÎÌá½»¼¸¸öÃüÁ×îºÃÄܹ»°ÑËüÃÇдÈëµ½Ò»¸ös h e l l½Å±¾ÎļþÖУ¬²¢ÓÃn o h u pÃüÁîÀ´Ö´ÐÐËü¡£
ÀýÈ磬ÏÂÃæµÄËùÓÐÃüÁÓùܵÀ·ûºÅÁ¬½ÓÔÚÒ»Æð£»ÎÒÃÇ¿ÉÒÔ°ÑÕâЩÃüÁî´æÈëÒ»¸öÎļþ£¬²¢Ê¹¸ÃÎļþ¿ÉÖ´ÐС£
´úÂë:
cat /home/accounts/qrt_0499 | /apps/bin/trials.awk | sort | lp
$cat > quarterend
cat /home/accounts/qtr_0499 | /apps/bin/trials.awk | sort | lp
<ctrl-D>
ÏÖÔÚÈÃËü¿ÉÖ´ÐУº
´úÂë:
$ chmod 744 quarterend
ÎÒÃÇ»¹½«¸Ã½Å±¾µÄËùÓÐÊä³ö¶¼Öض¨Ïòµ½Ò»¸öÃûΪq t r. o u tµÄÎļþÖС£
´úÂë:
nobup ./quarterend > qtr.out 2>
ºǫ́ÔËÐÐ×÷ÒµµÄ:
ÓÐʱÎÒÃDZØÐëÒª¶Ô´óÎļþ½øÐдóÁ¿¸ü¸Ä£¬»òÖ´ÐÐһЩ¸´ÔӵIJéÕÒ£¬ÕâЩ¹¤×÷×îºÃÄܹ»ÔÚϵͳ¸ººÉ½ÏµÍʱִÐС£
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Linux iptableÎĵµ

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ÓÃiptables -ADC À´Ö¸¶¨Á´µÄ¹æ
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iptables - [RI] chain rule num rule-specification[option]
ÓÃiptables - RI ͨ¹ý¹æÔòµÄ˳ÐòÖ¸¶¨
iptables -D chain rule num[option]
ɾ³ýÖ¸¶¨¹æÔò
iptables -[LFZ] [chain][option]
ÓÃiptables -LFZ Á´Ãû [Ñ¡Ïî]
iptables -[NX] chain
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Linux²¢²»ÊÇÒ»¸ö±Èwindows¸üÉñÃصÄϵͳ.
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Ä㶯ÊÖ½â¾öÁË.
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ʵ¼ÊÓô¦.ʵ¼ÊÉÏ,²Î¿¼·¢ÐÐ°æµ ......

linux Ŀ¼¼Ü¹¹

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/bin
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  file   µÄĿ¼ 
/boot
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  (kernel)
  ÔÚÄÚ 
/boot/grub/menu.lst
      GRUBÉèÖà
/boot/ ......

Linuxϵͳ¹ÜÀíѧϰ·Ïßͼ

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Linuxϵͳ¹ÜÀíÔ±£¬ÎÒ¿´ÁËÐí¶àÓйØLinuxµÄÎĵµºÍÊé¼®£¬²¢ÎªÑ§Ï°Linux¸¶³öÁËÐí¶à¼è¿àµÄŬÁ¦¡£µ±ÕæÕý»ñµÃÁËÒ»·ÝÕýʽµÄLinuxϵͳ¹ÜÀí¹¤×÷
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¾É°æ±¾linuxÄÚºËÉý¼¶µ½Ð°汾Äں˱àÒëÑ¡Ôñ

general setup
    ---> enable deprecated sysfs features which may confuse old
userspace tools
insmod: error inserting '/lib/dm-region-hash.ko' : -1 File exists
½â¾ö
cp /boot/initrd-2.6.x.img /tmp
cd /tmp
mkdir newinitrd
cd newinitrd/
zcat ../initrd-2.6.x.img |cpio -i
ÏÂ ......
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