linux comm ÃüÁî½éÉÜ
Èç¹ûÏëÔÚLinuxÃüÁîÐз½Ê½Ï£¬¶Ô2¸öÎı¾ÎļþµÄÄÚÈÝ×ö±È½Ï£¬ÕÒ³öͬʱ°üº¬ÔÚÕâ2¸öÎı¾ÎļþÖеÄÄÚÈÝ£¬¿ÉÒÔʹÓÃLinuxϵͳ´øµÄ¹¤¾ßcommÀ´´¦Àí£¬Ç°ÌáÊDZ»±È½ÏµÄ2¸öÎı¾ÎļþÒªÊÇÓÐÐòµÄ£¬¿ÉÒÔÏÈÓÃsort´¦Àíһϣ¬¾ßÌå²Ù×÷·½·¨ÈçÏ£º
ÔʼÎļþÈçÏ£º
a.txt
d
c
b
a
b.txt
g
f
b
a
ÅÅÐò´¦Àí
sort a.txt > a1.txt
sort b.txt > b1.txt
´¦Àí½á¹ûÎļþÈçÏ£º
a1.txt
a
b
c
d
b1.txt
a
b
f
g
±È½Ï´¦Àí
comm a1.txt b1.txt
a
b
f
g
c
d
Êä³ö½á¹û°üÀ¨3ÁÐ ÆäÖеÚ3ÁÐÏÔʾµÄÊÇ2¸öÎļþÖж¼°üº¬µÄÄÚÈÝ¡£
µÚ1ÁÐÏÔʾֻ°üº¬ÔÚµÚÒ»¸öÎļþa.txtÖеÄ
µÚ2ÁÐÏÔʾֻ°üº¬ÔÚµÚ¶þ¸öÎļþb.txtÖеÄ
¿ÉÒÔͨ¹ý²ÎÊýÖ¸¶¨ÒªÏÔʾµÄÁÐ È磺
comm a1.txt b1.txt -12
a
b
-12 ±íʾ²»ÏÔʾµÚ1Áк͵Ú2ÁУ¬Ö»ÏÔʾµÚ3ÁÐ
-1 ²»ÏÔʾµÚ1ÁУ¬ÏÔʾµÚ2£¬3 ÁÐ
-13 ²»ÏÔʾµÚ1£¬3ÁУ¬ÏÔʾµÚ2ÁÐ
Ïà¹ØÎĵµ£º
£¨L2CAPÐÒé¼ò½é£¬L2CAPÔÚBlueZÖеÄʵÏÖÒÔ¼°L2CAP±à³Ì½Ó¿Ú£©
Ò»£ºL2CAPÐÒé¼ò½é£º
Logical Link Control and Adaptation Protocol(L2CAP)
Âß¼Á¬½Ó¿ØÖƺÍÊÊÅäÐÒé (L2CAP) ΪÉϲãÐÒéÌá¹©ÃæÏòÁ¬½ÓºÍÎÞÁ¬½ÓµÄÊý¾Ý·þÎñ£¬²¢Ìṩ¶àÐÒ鹦ÄܺͷָîÖØ×é²Ù×÷¡£L2CAP ³äÐíÉϲãÐÒéºÍÓ¦ÓÃÈí¼þ´«ÊäºÍ½ÓÊÕ×î´ó³¤¶ÈΪ 64K µÄ L2CAP Ê ......
ps -aux|grep java ²é¿´java½ø³Ì
tar xvfz tomcat5.tar.gz ½âѹÎļþ
mount -o username=administrator,password=zyj //192.168.1.1/info /info Ó³ÉäÍøÂçÇý¶¯Æ÷
rm -rf ./info ³¹µ×ɾ³ýÎļþ¼Ð¼°ÆäÀïÃæµÄÄÚÈÝ
tail -f catalina.out ²é¿´ÈÕÖ¾Îļþ ......
route add -net 10.10.101.0 netmask 255.255.255.0 gw 10.10.100.1
cat route-eth0
10.10.101.0/24 via 10.10.100.1 dev eth0
/etc/rc.d/init.d/network restart
netstat -r
[root@1314it network-scripts]# cat /etc/sysconfig/network-scripts/route-eth0
123.123.123.0 via 156.156.156.156 de ......
ǰÌ᣺
1. ÏÂÔØubuntu²¢°²×°
2. ÖªµÀ³£ÓõÄlinuxÃüÁî
3. ÄÜ¿´Ó¢ÎÄ
ͻ񻣼
¶ÔÐÂÊÖÀ´Ëµ
£¬Çý¶¯¾ÍÊÇÒ»¸ö³ÌÐò£¬Í¨¹ýµ÷ÓÃ×¢²áº¯ÊýºÍÐÞ¸ÄmakefileʹlinuxÄÚºËÄܼÓÔØËü£¬ÓÚÊÇËüÔÚ½ÓÊܲÙ×÷µÄʱºòÄÜÓе㷴Ӧ£»ÆäÓëÓ¦ÓóÌÐòµÄÖ÷񻂿±ðÔÚÓÚÆäȨÏ޸ߣ¬ÅÜÔÚkernel spaceÀï¡£
¿ª¶¯£º
* ÏÂÔØ¡¶Linux Device Drivers 3rd Edition¡·
......
1¹Ø»úÃüÁî shutdown
¡¡¡¡ºÃÏñubuntuµÄÖÕ¶ËÖÐĬÈϵÄÊǵ±Ç°Óû§µÄÃüÁֻÊÇÆÕͨÓû§£¬Òò´ËÔÚÖÕ¶ËÆ÷ÖпÉÒÔʹÓÃsudo -sh ת»»µ½¹ÜÀíÔ±rootÓû§ÏÂÖ´ÐÐÃüÁî¡£
¡¡¡¡1)shutdown –help
¡¡¡¡¿ÉÒԲ鿴shutdownÃüÁîÈçºÎʹÓ㬵±È»Ò²¿ÉÒÔʹÓÃman shutdownÃüÁî¡£
¡¡¡¡2£© shutdown -h now ÏÖÔÚÁ¢¼´¹Ø»ú
¡¡¡¡3£©shutdown ......