驱动如何区分出次设备号。 read/write接口函数要能够获得字符设备结构体变量地址。 什么是文件描述符？ Linux 中一切都可以看作文件，包括普通文件、链接文件、Socket 以及设备驱动等，对其进行相关操作时，都可能会创建对应的文件描述符。文件描述符（file ...

socket在Linux中对应的文件系统叫Sockfs,每创建一个socket,就在sockfs中创建了一个特殊的文件，同时创建了sockfs文件系统中的inode，该inode唯一标识当前socket的通信。 如下图所示，左侧窗口使用nc工具创建一个TCP连接；右侧找到该进程id(3384)，通过查看该进程下的描述符 ...

Question, on a 2TB drive how much space is wasted by using normal amount of inodes instead of largefile or largefile4, I created my filesystems with normal but I only have files in the 100MB to 4GB ...

Some files on a Linux system can appear in more than one location. Follow these instructions to find and identify these "identical twins" and learn why hard links can be so advantageous. Identifying ...

It doesn’t take very much time working on a Unix system before your attention is drawn to the mysteries of the inode, especially these days with the concept of metadata getting so much public ...

A lot of information is available about individual files on a Unix system. For example, the ls -l command will display the permissions matrix and ls -i will display a file’s inode. But, if we want to ...

i am currently taking an OS course and have run across this problem.<BR><BR>Assume a Unix System V FS where each inode has 10 direct blocks , 1 indirect block and 1 double indirect block.<BR>Disk ...