接着， open 函数会调用文件系统的VFS（Virtual File System）层，VFS层是Linux文件系统的核心部分，其作用是将文件系统的各种实现细节隐藏起来，为上层应用程序提供一个统一的接口。

Did you know that Linux makes it easy to create and use hidden files, which means you can easily tuck important documents away from plain sight? Here's how to manage those files.

Not happy with your Linux distro's default file manager? Stop struggling and try something different. Considering that these are all free, what do you have to lose?

If you're tired of having to jump through hoops to open files with sudo privileges in the GNOME File Manager, Jack Wallen has just the trick you need.

files, use Aladdin Expander for Linux. At the time of this writing, Aladdin Expander was available for free for public beta testing; whether it will remain free is an open question. To decompress ...

If you would like to rename your files using Linux commands instead, open your command line interface and navigate to the directory containing the file that you wish to rename.

Linux apps can expand your Chromebook's capabilities and open up all sorts of interesting options — but first, you have to know where to begin.

If you're new to Linux, there's a very handy file you'll want to learn about right away. Jack Wallen introduces you to the hosts file and how to add entries to it.