ÎÒÓÃman ÃüÁîÏÔʾ lsÕâÌõÃüÁîµÄÏêϸÓ÷¨£¬½á¹û·ÖÁ˺ü¸Ò³£¬ÏÖÔÚÎÊÌâÊÇû·¨·µ»ØÃüÁîÌáʾ·û¼ÌÐøÊäÈë°¡£¬ÇëÎÊÕâÔõô½â¾öÄØ
Óøö | Òýµ¼µ½·ÖÒ³£¡Ó¦¸Ã¿ÉÒÔ°É
man ls | less
Èç¹û:q²»Ðеϰ£¬¼Ó¸ö!·ûºÅ£¬´Ó¶øÊäÈë:q!Ç¿ÖÆÍ˳ö¡£
manÃüÁîºó Ö±½Ó°´q¼ü¾Í¿ÉÒÔÍ˳ö
ÒýÓÃ
Óøö | Òýµ¼µ½·ÖÒ³£¡Ó¦¸Ã¿ÉÒÔ°É ......
Ïò¸÷λÇë½Ì£º
¸Õ×°Ò»¸ölinuxϵͳ£¬xpÏÂ˫ϵͳ£¬ÒÔǰûÓÐÓùý£¬ÏëÁ˽âÒ»ÏÂ
½á¹ûÊÇϵͳװ³ÉÁË£¬È´Ã»ÄÜÁ¬ÉÏÍø£¬ÎÒÓõĺÓÄÏÁªÍ¨ADSL·½Ê½ ubuntu9.10
ÁªÍ¨Ã»ÓÐÌṩlinuxϵĿͻ§¶Ë¿í´øÎÒÊÀ½çÏÂÔØ
ÔÚÍøÉϲéÁËһЩ×ÊÁÏ£¬ËµÊÇÔÚÖÕ¶ËÊäÈë´úÂë sudo pppoeconf È»ºó°´Ò»²½Ò»²½Ö´ÐУ¬½á¹û»¹ÊDz»ÄÜÁ¬ÉÏ£¬
ÓеÄ˵·¨ÊÇÁªÍ¨µ ......
ÓÃmount¼ÓÔØuÅÌ µ«ÏÔʾ˵ÓÐÁ½¸öÎļþÖÐûÓÐÕÒµ½mountºóÏàÓ¦µÄÄÚÈÝ£¬¸ÃÔõô¼ÓÔØ²¢ÔÚlinuxÏÂʹÓÃuÅÌ
ÒýÓÃ
1£©²åÈëUÅÌ
2£©ÊäÈëÃüÁî
fdisk -l
²é¿´Ó²ÅÌϵͳ ÕÒµ½UÅÌÃèÊö·ûÊÇʲô ±ÈÈçÊÇsda1
Ò²¿ÉÒÔÔÚ²åÈëUÅ̺ó ѸËÙtail -f /va/log/messages Ò²»á¿´µ½²åÈëµÄUÅÌÊÇÄĸöÉè± ......
ÐÅÏ¢À´Ô´£ºhttp://www.xwlgj.com
ARM+LINUX·½°¸£¬Ö÷¹¥Ç¶ÈëʽÔÚarmÓ²¼þƽ̨ÉÏ¡¢²Ù×÷ϵͳΪLinux¼°ÆäÉÏÓ¦ÓÃÈí¼þ¿ª·¢Ä¿±ê£º
£¨1£© ÊìÁ·ÔËÓÃÖ÷Á÷ǶÈëʽ΢´¦ÀíÆ÷µÄ½á¹¹ÓëÔÀí£¨Ä¿Ç°Îªarm9£©
£¨2£© ÕÆÎÕÒ»¸öǶÈëʽ²Ù×÷ϵͳ £¨uclinux»òlinux,°æ±¾£©
£¨3£© ǶÈëʽÈí¼þ¿ª·¢Á÷³Ì²¢ÖÁÉÙ×öÒ»¸öʵ¼ÊµÄǶÈëʽÈí ......
table1£º
×Ö¶Î1£ºa1,charÐÍ
×Ö¶Î2£ºa2£¬charÐÍ
×Ö¶Î3£ºa3,charÐÍ
×Ö¶Î4£ºa4£¬charÐÍ
table2£º
×Ö¶Î1£ºname,charÐÍ
×Ö¶Î2£ºid,charÐÍ
×Ö¶Î3£ºa1,charÐÍ
×Ö¶Î4£ºa2£¬charÐÍ
×Ö¶Î5£ºa3,charÐÍ
×Ö¶Î6£ºa4£¬charÐÍ
ÏëµÃµ½Ò»ÌõsqlÓï¾äÄܽ«table1ÖеÄa1,a2,a3,a4×ֶζÔÓ¦ ......
declare @t table( a int ,from1 float, to1 float)
insert into @t(a,from1,to1)
select 1,2.22,3.99
union all
select 2,4.00,5.33
select * from @t where 3.998 between from1 and to1
ÎÒÈçºÎÈÃËüÕÒµ½¼Ç¼¡£ËüÓ¦¸ÃÊǵڶþÌõ¼Ç¼²Å¶Ô°É£¡
ÈçºÎдÕâ¸ösql ?
SQL code:
select * from @t where 3.998>=from ......