loop device 分析
转自http://www.codemaestro.com/reviews/review00000102.html 好坏就不评价了 loop Unrolling with Duff's device loop unrolling, or unwinding, is simply reducing the number of overhead instructions that the CPU has to execute in a loop, thus improving the cache hit rate and the loop's run time. As a simple demonstration, the following example code copies 100 values from the memory pointed by from, t...
by wxp95 - C/C++ - 2006-10-22 07:57:35 阅读（951） 回复（0）
我在linux下mount iso文件，到第10个的时候，她提示 mount: could not find any free loop device 前9个都没问题 /dev/下有loop0-loop15 linux是rh7.3 想增加一些，应当怎么操作呢？
Hi All,
The script below only runs for the 1st line of file machines.list.
Could someone help explain detailedly how it runs?
#!/bin/ksh
while read line ;
do
ssh myuserid@$line $1 >> $home/output.txt
done
Which of the following is a legal Posix shell loop construct? a.if ….then….else b.while…do…done c.case…in…esac d.do…until…done 求助...上面些哪些是loop construct?多选题... 谢谢
用While loop表现出来 Enter a string: Hello World! ****************** * Hello World! * ****************** 求code 感谢~
squid 3.0-stable 16 linux透明代理，近期出现大量Forwarding loop detected for，squid响应越来越慢，导致squid进程终止。 就是纯透明代理，也没有配置代理阵列，也没有什么父子兄弟等的邻居关系，resovle.conf只有isp的dns服务器ip，/etc/hosts只有127.0.0.1 localhost 在google搜索，见有大牛说是DNS和hosts有设置有问题，造成了回环。可我的dns和hosts都是和以前一样的，怎么最近才出现。 WARNING: Forwarding loop detec...
