Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

Linux/Unix ³£ÓÃÃüÁîÒ»

Ò»¡¢df
1.×÷ÓÃ
dfÃüÁîÓÃÀ´¼ì²éÎļþϵͳµÄ´ÅÅ̿ռäÕ¼ÓÃÇé¿ö£¬Ê¹ÓÃȨÏÞÊÇËùÓÐÓû§¡£
2.¸ñʽ
df [options]
3.Ö÷Òª²ÎÊý
£­s£º¶Ôÿ¸öNames²ÎÊýÖ»¸ø³öÕ¼ÓõÄÊý¾Ý¿é×ÜÊý¡£
£­a£ºµÝ¹éµØÏÔʾָ¶¨Ä¿Â¼Öи÷Îļþ¼°×ÓĿ¼Öи÷ÎļþÕ¼ÓõÄÊý¾Ý¿éÊý¡£Èô¼È²»Ö¸¶¨£­s£¬Ò²²»Ö¸¶¨£­a£¬ÔòÖ»ÏÔʾNamesÖеÄÿһ¸öĿ¼¼°ÆäÖеĸ÷×ÓĿ¼ËùÕ¼µÄ´ÅÅÌ¿éÊý¡£
£­k£ºÒÔ1024×Ö½ÚΪµ¥Î»Áгö´ÅÅ̿ռäʹÓÃÇé¿ö¡£
£­x£ºÌø¹ýÔÚ²»Í¬ÎļþϵͳÉϵÄĿ¼²»Óèͳ¼Æ¡£
£­l£º¼ÆËãËùÓеÄÎļþ´óС£¬¶ÔÓ²Á´½ÓÎļþÔò¼ÆËã¶à´Î¡£
£­i£ºÏÔʾinodeÐÅÏ¢¶ø·Ç¿éʹÓÃÁ¿¡£
£­h£ºÒÔÈÝÒ×Àí½âµÄ¸ñʽӡ³öÎļþϵͳ´óС£¬ÀýÈç136KB¡¢254MB¡¢21GB¡£
£­P£ºÊ¹ÓÃPOSIXÊä³ö¸ñʽ¡£
£­T£ºÏÔʾÎļþϵͳÀàÐÍ¡£
4.˵Ã÷
dfÃüÁî±»¹ã·ºµØÓÃÀ´Éú³ÉÎļþϵͳµÄʹÓÃͳ¼ÆÊý¾Ý£¬ËüÄÜÏÔʾϵͳÖÐËùÓеÄÎļþϵͳµÄÐÅÏ¢£¬°üÀ¨×ÜÈÝÁ¿¡¢¿ÉÓõĿÕÏпռ䡢ĿǰµÄ°²×°µãµÈ¡£
³¬¼¶È¨ÏÞÓû§Ê¹ÓÃdfÃüÁîʱ»á·¢ÏÖÕâÑùµÄÇé¿ö£ºÄ³¸ö·ÖÇøµÄÈÝÁ¿³¬¹ýÁË100£¥¡£ÕâÊÇÒòΪLinuxϵͳΪ³¬¼¶Óû§±£ÁôÁË10£¥µÄ¿Õ¼ä£¬ÓÉÆäµ¥¶ÀÖ§Åä¡£Ò²¾ÍÊÇ˵£¬¶ÔÓÚ³¬¼¶Óû§¶øÑÔ£¬ËûËù¼ûµ½µÄÓ²ÅÌÈÝÁ¿½«ÊÇ110£¥¡£ÕâÑùµÄ°²ÅŶÔÓÚϵͳ¹ÜÀí¶øÑÔÊÇÓкô¦µÄ£¬µ±Ó²Å̱»Ê¹ÓõÄÈÝÁ¿½Ó½ü100£¥Ê±ÏµÍ³¹ÜÀíÔ±»¹¿ÉÒÔÕý³£¹¤×÷¡£
5.Ó¦ÓÃʵÀý
LinuxÖ§³ÖµÄÎļþϵͳ·Ç³£¶à£¬°üÀ¨JFS¡¢ReiserFS¡¢ext¡¢ext2¡¢ext3¡¢ISO9660¡¢XFS¡¢Minx¡¢vfat¡¢MSDOSµÈ¡£Ê¹ÓÃdf -TÃüÁî²é¿´´ÅÅ̿ռäʱ»¹¿ÉÒԵõ½ÎļþϵͳµÄÐÅÏ¢£º
££df £­T
Îļþϵͳ ÀàÐÍ   ÈÝÁ¿ ÒÑÓà ¿ÉÓà ÒÑÓÃ% ¹ÒÔØµã
/dev/hda7 reiserfs 5.2G 1.6G 3.7G 30% /
/dev/hda1 vfat   2.4G 1.6G 827M 66% /windows/C
/dev/hda5 vfat   3.0G 1.7G 1.3G 57%   /windows/D
/dev/hda9 vfat   3.0G 2.4G 566M 82% /windows/E
/dev/hda10 NTFS 3.2G 573M 2.6G 18% /windows/F
/dev/hda11 vfat    1.6G 1.5G 23M   99% /windows/G
´ÓÉÏÃæ³ýÁË¿ÉÒÔ¿´µ½´ÅÅ̿ռäµÄÈÝÁ¿¡¢Ê¹ÓÃÇé¿öÍ⣬·ÖÇøµÄÎļþϵͳÀàÐÍ¡¢¹ÒÔØµãµÈÐÅÏ¢Ò²Ò»ÀÀÎÞÒÅ¡£
¶þ¡¢top
1.×÷ÓÃ
topÃüÁîÓÃÀ´ÏÔʾִÐÐÖеijÌÐò½ø³Ì£¬Ê¹ÓÃȨÏÞÊÇËùÓÐÓû§¡£
2.¸ñʽ
top [£­] [d delay] [q] [c] [S] [s] [i] [n]
3.Ö÷Òª²ÎÊý
d£ºÖ¸¶¨¸üеļä¸ô£¬ÒÔÃë¼ÆËã¡£
q£ºÃ»ÓÐÈκÎÑӳٵĸüС£Èç¹ûʹÓÃÕßÓг¬¼¶Óû§£¬ÔòtopÃüÁ»áÒÔ×î¸ßµÄÓÅÏÈÐòÖ´ÐС£
c£ºÏÔʾ½ø³ÌÍêÕûµÄ·¾¶ÓëÃû³Æ¡£
S£ºÀÛ»ýģʽ£¬»á½«¼ºÍê³É»òÏûʧµÄ×Ó


Ïà¹ØÎĵµ£º

TCP/IPÔ­Àí¡¢»ù´¡ÒÔ¼°ÔÚLinuxÉϵÄʵÏÖ

µ¼ÑÔ£º±¾Æª×÷ΪÀíÂÛ»ù´¡£¬½«ÏòÎÒÃǽ²ÊöTCP/IPµÄ»ù±¾Ô­ÀíÒÔ¼°ÖØÒªµÄЭÒéϸ½Ú£¬²¢ÔÚ´Ë»ù´¡ÉϽéÉÜÁËTCP/IPÔÚLINUXÉϵÄʵÏÖ¡£
OSI²Î¿¼Ä£Ðͼ°TCP/IP²Î¿¼Ä£ÐÍ
OSIÄ£ÐÍ£¨open system interconnection reference model£©ÊÇ»ùÓÚ¹ú¼Ê±ê×¼»¯×éÖ¯£¨ISO£©µÄ½¨Òé¶ø·¢Õ¹ÆðÀ´µÄ£¬Ëü·ÖΪÈçͼ3-1ËùʾµÄÆß²ã¡£µ±ÎÀÐǺÍÎÞÏßÍøÂç³öÏÖÒÔºó£¬ÏÖÓ ......

linux ÏÂapache ÅäÖÃÐéÄâÖ÷»ú


ʲôÊÇÐéÄâÖ÷»ú
ÐéÄâÖ÷»úÓÃÓÚÔÚÎïÀíµÄһ̨Ö÷»úÉÏÔËÐжà¸öÕ¾µã£¬Æ©È磺www.example1.com¡¢www.example2.com£¬Ò²¿ÉÒÔÊÇÕâÑùµÄ£ºwww.example.com¡¢blog.example.com¡£
ÐéÄâÖ÷»úÓÐÁ½ÖÖÀàÐÍ£ºIP-based ºÍname-based£¬Ç°ÕßÓÃÓÚͬһ̨Ö÷»úÉϵĶà¸öÕ¾µã¾ßÓв»Í¬µÄIP µØÖ·£¬ºóÕßÓÃÓÚͬһ̨Ö÷»úÉϵĶà¸öÕ¾µãʹÓÃͬһ¸öIP µØÖ ......

linux³£ÓÃÃüÁîС×ܽá

1.±ä¸üÓû§£º su root   »ò su - ×¢Ò⣨ÈôÖ»ÓÃsu£¬ÔòÖ»»»Óû§£¬²»»»shell£©¡£
2.´´½¨Îļþ¼Ð£º mkdir -m777 tool ´´½¨too²¢ÉèÖÃȨÏÞ mkdir -p tool2/tool3 Á¬¼¶´´½¨Îļþ¼Ð¡£
3.ɾ³ýÎļþ»òÎļþ¼Ð£º rm -r  tool2 µÝ¹éɾ³ý£¬Á¬Í¬×ÓĿ¼һÆðɾ³ý¡£ rm -fr ²»ÓÃÌáʾ£¬Ö±½ÓÇ¿ÖÆµÝ¹éɾ³ý¡£
4.ÒÆ¶¯Ä¿Â¼£º mv -iv ......

LinuxÖÐI2C×ÜÏßÇý¶¯Ìåϵ½á¹¹

×î½üÔÚ¿´Linux 2.6.21Äں˵ÄI2CÇý¶¯£¬Ò²ÔÚÍøÉϲéÁËÒ»ÏÂ×ÊÁÏ£¬ÓдíÒ²Óжԣ¬ÓÐЩÐĵ㬼ǼÏÂÀ´°É¡£ÀïÃæÈÏʶ»òÐí¶àÓв»µ±Ö®´¦£¬»¹¿ÒÇëÖ¸Õý¡£
 
1. I2C ЭÒé
 
 1.1  I2C×ÜÏß¹¤×÷Ô­Àí
      I2C×ÜÏßÊÇÓÉÊý¾ÝÏßSDAºÍʱÖÓSCL¹¹³ÉµÄ´®ÐÐ×ÜÏߣ¬¸÷ÖÖ±»¿ØÖÆÆ÷¼þ¾ù²¢ÁªÔÚÕâÌõ×ÜÏ ......

Linuxϵͳ·þÎñ

·þÎñÃû        ±ØÐ裨ÊÇ/·ñ£©ÓÃ;ÃèÊö        ×¢½â
acon              ·ñ       ÓïÑÔÖ§³Ö        ÌØ±ðÖ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ