linuxϵij£ÓÃÃüÁî
=============°²×°ºÍµÇ½ÃüÁî========================================
Mount£º¹ÒÔØÃüÁî¡£°Ñ´æ´¢½éÖÊÖ¸¶¨³ÉϵͳÖеÄij¸öĿ¼£¬±ÈÈç¹ÒÔØ¹âÇýmount /dev/cdrom°ÑCDROM¹ÒÔØ£¬¿ÉÔÚĿ¼/mnt/cdromϲ鿴ÄÚÈÝ¡£Í¬Ñù¿ÉÒÔ¹ÒÔØÅÌ·û£¬±ÈÈçmount -t vfat /dev/uba1 /mnt£¬¾Í¿ÉÒÔÇл»µ½/mntĿ¼Ï²鿴ÄÚÈÝ¡£
umount£ºÐ¶ÔØÃüÁ±ÈÈçumount /dev/cdrom£¬»òÕßÊÇumount /mnt¡£
exit£ºÍ˳öÖÕ¶ËÃüÁî¡£
shutdown£º¹Ø±Õlinuxϵͳ£¬ºóÃæ¿É¼Ó²ÎÊý£¬±ÈÈçshut down now¡£
reboot£ºÖØÐÂÆô¶¯linux¡£
halt£º¹ÒÆðϵͳ£¬µ«Ã»Óйػú¡£
chsh£º¸Ä±äµÇÈëϵͳµÄshell¡£
tty£ºÏÔʾÖÕ¶Ë»úÁ¬½Ó±ê×¼ÊäÈëÉ豸µÄÎļþÃû³Æ¡£
=============Îļþ´¦ÀíÃüÁî========================================
ls£ºÏÔʾµ±Ç°Ä¿Â¼ÄÚÈÝ¡£¼Ó²ÎÊý·¾¶¿ÉÒÔÏÔʾָ¶¨Ä¿Â¼ÄÚÈÝ£¬/ÌØ¶¨Ö¸¸ùĿ¼£»¼Ó-lÏÔʾĿ¼ÏÂÎļþµÄÏêϸÐÅÏ¢ÖîÈçȨÏÞ£¬¼Ó-allÏÔʾ×îÏêϸÐÅÏ¢¡£¼Ó|more¿É·ÖÆÁÏÔʾĿ¼ÎļþÐÅÏ¢£¬enter¸ú½ø£¬shift+page up/down·Ò³¡£Ö´ÐУºls -l /dev¿ÉÒÔÏÔʾµ±Ç°ÏµÍ³ÏÂËùÓмÓÔØµÄÉ豸ÏêϸÐÅÏ¢£¬°üÀ¨Ö÷É豸ºÅºÍ´ÎÉ豸ºÅ¡£
find£º²éÕÒÎļþ¡£¸ñʽΪ£ºfind . -name "*.java" »òÕßfind . -name \*.java£¬ÆäÖÐ.±íʾµ±Ç°Ä¿Â¼£¬-name±íʾÒÔÃû×Ö²éÕÒ£¬*¼´ÊÇͨÅä·û¡£
rm£ºÉ¾³ýĿ¼»òÕßÎļþ¡£¼Ó²ÎÊý-rfÇ¿ÖÆµÝ¹éɾ³ýÒ»¸ö·Ç¿ÕĿ¼¡£±ÈÈç˵µÝ¹éɾ³ýµ±Ç°ÎļþϵÄÄ¿±êÎļþ£¬Óãº
find . -name *.o -type f -exec rm -f {} \;
cd£º½øÈëij¸öĿ¼¡£¼Ó²ÎÊý±íʾ·¾¶£¬/±íʾlinux¸ùĿ¼£»cd ~·µ»ØhomeϵÄÓû§Ä¿Â¼£»cd ..·µ»ØÉϲãĿ¼¡£
cp£º¿½±´ÃüÁî¡£¼Ó²ÎÊý±íʾ´ý¿½±´ÎļþºÍÄ¿±êĿ¼¡£cp 1.txt usr/local/arm¿½±´µ±Ç°Ä¿Â¼ÏµÄ1.txtÎļþµ½Ä¿±êĿ¼¡£
./£ºÖ´Ðе±Ç°Ä¿Â¼Ó¦ÓóÌÐò£¬ºó¸úÓ¦ÓóÌÐòÃû×ö²ÎÊý¡£
Cat: ²é¿´Ò»¸öÎļþµÄÄÚÈÝ£¬ºóÃæÖ±½Ó½ÓÎļþÃû£»Èç¹ûÎļþÄÚÈݽϳ¤ÔÚÆÁÄ»ÉÏÒ»¹ö¶ø¹ý£¬¿ÉÖ´ÐÐcat ÎļþÃû|lessÀ´²é¿´£¬ÉÏϼüÀ´Òƶ¯¡£»¹¿ÉÒԲ鿴LINUXÄں˰汾£¬ÓÃcat /proc/version£»²é¿´ÄÚ´æÐÅÏ¢£¬ÓÃcat /proc/meminfo£»²é¿´Éù¿¨ÐÅÏ¢£¬ÓÃcat /proc/asound/cards¡£»¹Óиö¹¦ÄܾÍÊÇÖØ¶¨Ïò£¬±ÈÈçcat >ÎļþÃû£¬¾ÍÊǽ«catµÄÊä³öÖØ¶¨Ïòµ½>ºóÃæµÄÎļþÖУ¬²¢»á¸²¸ÇÎļþ£»Èç¹ûÀí½â³É¹ãÒåÖØ¶¨Ïò£¬cat **.wav >/dev/snd/dsp£¬»òÕßcat **.wav > /dev/snd/audio£¬²¥·ÅÒôƵÎļþʹÄÜ£»cat /dev/snd/audio > 1.wav, ¼ÒôʹÄÜ£»cat /proc
Ïà¹ØÎĵµ£º
ѧϰ¹ý¡¶Èí¼þ¹¤³Ì¡·°É.Èí¼þ¹¤³Ì¿ÉÊÇÿһ¸ö³ÌÐòÔ±"±ØÐÞ"µÄ¿Î³Ì°¡.Èç¹ûÄãûÓÐѧϰ¹ý, ½¨ÒéÄãÈ¥¿´Ò»¿´. ÔÚÕâÒ»ÕÂÀïÃæ,ÎÒÃÇÒ»ÆðÀ´´ÓÈí¼þ¹¤³ÌµÄ½Ç¶ÈÑ§Ï°ÍøÂç±à³ÌµÄ˼Ïë.ÔÚÎÒÃÇд³ÌÐò֮ǰ, ÎÒÃǶ¼Ó¦¸Ã´ÓÈí¼þ¹¤³ÌµÄ½Ç¶È¹æ»®ºÃÎÒÃǵÄÈí¼þ,ÕâÑùÎÒÃÇ¿ª·¢Èí¼þµÄЧÂʲŻá¸ß. ÔÚÍøÂç³ÌÐòÀïÃæ,Ò»°ãµÄÀ´Ëµ¶¼ÊÇÐí ......
ǶÈëʽLinux²Ù×÷ϵͳѧϰ¹æ»®
ARM+LINUX·Ïߣ¬Ö÷¹¥Ç¶ÈëʽLinux²Ù×÷ϵͳ¼°ÆäÉÏÓ¦ÓÃÈí¼þ¿ª·¢Ä¿±ê£º
£¨1£© ÕÆÎÕÖ÷Á÷ǶÈëʽ΢´¦ÀíÆ÷µÄ½á¹¹ÓëÔÀí£¨³õ²½¶¨Îªarm9£©
£¨2£© ±ØÐëÕÆÎÕÒ»¸öǶÈëʽ²Ù×÷ϵͳ £¨³õ²½¶¨Îªuclinux»òlinux,°æ±¾´ý¶¨£©
£¨3£© ±ØÐëÊìϤǶÈëʽÈí¼þ¿ª·¢Á÷³Ì²¢ÖÁÉÙ×öÒ ......
///////////////////////////////////////////////////////////////////////////
/*
ReadCoilsº¯Êý£º
¶Á¼ÌµçÆ÷µÄ״̬ £¬ ³É¹¦·µ»Øture¡£
send Êý¾Ý³¤¶È=12
recv Êý¾Ý³¤¶È=10
unsigned short int addr ¶Á¼ÌµçÆ÷µÄÆðʼµØÖ·(¼ÌµçÆ÷±àºÅ-1) ¡£
×¢Ò⣺1~8¸ö¼ÌµçÆ÷£¬ÆðʼµØÖ·´Ó0¿ªÊ¼
unsigned short int len ......
ÓÉÓÚÎÒÃÇÊÇÔÚ¾ÖÇøÍøÄÚÓûúÆ÷×ö²âÊÔ·þÎñÆ÷£¬»úÆ÷±È½Ï½ôÕÅ£¬¶øIPµØÖ·µ¹ÊDZȽϸ»Ó࣬ËùÒÔʹÓÃͬһ»úÆ÷µÄ¶àIPÀ´ÅäÖÃÐéÄâÖ÷»ú¾ÍÊÇÒ»¸ö²»´íµÄÑ¡ÔñÁË¡£ÒòΪÎÒ ÏëÔÚͬһ»úÆ÷ÉϽøÐÐÁ½¸öϵͳµÄ²¿Êð£¬ËùÒÔ¾ÍʹÓÃapacheÀ´½øÐÐÐéÄâÖ÷»úµÄ¶àIPÅäÖÃÁË¡£ºÃÁË£¬¿ªÊ¼ÎÒÃǵÄÅäÖÃÖ®ÂðÉ~~~
Ê×ÏȾÍÊÇapac ......