Visual map of Files [closed] - c

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I just finished writing a c program that split a very large program into its different components and stored them in a tree like structure using directories and sub directories.
I was wondering if there are any programs that can graph the file system. I'm trying not to have to write my own program to do that if possible.
If possible the program would be easy to use.
Windows or Linux programs would work.

You can try WinDirStat, it does pretty much what you ask for.
http://windirstat.info/
There is also a version for linux
http://kdirstat.sourceforge.net/

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Developing a custom filesystem for an operating system [closed]

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I am developing an operating system using C, Assembler and the GCC Cross Compiler. I have already implemented a working kernel that prints to the screen and allows the user to type in some simple commands. I have already looked into some file systems such as FAT32 and LFS. What other options do I have about implementing my very own filesystem?
There's always Practical File System Design with the Be File System (PDF).

Unix: When I move a file, what's the process of it? [closed]

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I use Unix system, and when I move a file, how does Unix handle the process?
Does it copy the file first, then delete the origin file, or any other way ?
No, moving doesn't really copy for performance reasons, unless the source and the destinations are on difference filesystems.
See this post

What are configuration files? [closed]

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What are configuration files? What are their use in c programs?
Additional question: What does it mean to have an error which states "Cannot open configuration file"?
A configuration file could be any file which the program uses to persistently store options, state, or data between executions. The concept is not specific to C and is probably universal to most programming languages. It is impossible, without knowing exactly what program you are dealing with, to figure out what they are, where they would be stored, or why the program wouldn't be able to open it.

how to implement a user space multi-thread vm e.g. Erlang runtime [closed]

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How does the Erlang runtime implement a user-space multi-threaded mechanism on UNIX-like systems?
Is it implemented using something like getcontext(2) or longjump(3)?
Any related documentation would be much appreciated.
Each Erlang process is just a struct with a heap and a stack in it. So switching process is just a matter of using another struct in an queue. I think this paper describes it nicely.

Open Source Desktop Sharing [closed]

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I 'm looking for Desktop sharing utility that I can use to incorporate inside a small elearning app that I'm building...
Try VNC. It's OS agnostic and it works really well. It's been around for many years now and I haven't been able to crash it.
http://www.realvnc.com/
You can also have look at teamviewer. I guess its opensource and create secured connection on internet.

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