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 ...

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 ...

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 ...

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 ...