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 ...

----在SCO Unix操作系统中，制作系统应急Boot / Root软盘是保障系统安全的重要措施之一，而且是其他的大多数紧急处理方法的基本前提。因此，对于系统维护员而言，及时准确的制作出系统的应急软盘是一项极其重要的工作和任务。 ---- 故障表现：在SCO Openserver 5.0.0 ...

I installed freeBSD in vmware just to play around with BSD. I was trying to install apache and my / partition ran out of inodes. There's still 30% free space on the 1.2gigs I allocated, but I'm out of ...

Linux操作系统秉承“一切皆文件”的设计思想，将所有的设备页看作文件来进行处理。目前的Linux版本中，当内核发现一个块设备时，用户空间会利用udev这一数据结构以及相关的操作来为块设备创建其所需的块设备文件。 关于块设备文件，可以从两方面来进行理解 ...

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 ...