Wednesday, March 13, 2013

What is the difference between "./" and "../" regarding LINUX file structure?

Q. Can you suggest a good material(s) (an e-book for an example) to learn and understand about the Linux file and directory structure??

A. ./ is your current directory. So if your running a program from the current directory you type ./<program>
../ is the previous directory. This is to back out of the current directory.

what is your insight about Linux file system?
Q. what can you say about linux file system compared to windows'?

A. You should say Linux Filesystem because there isn't a official one
The most common filesystems are ext2 (older), reiserfs(old), ext3(latest)
If you are refering to the directory structure the way Linux stores files then you can compare them
In Windows the root directory is C:\
In UNIX/Linux the root directory is \
In Windows the storage component are devices and accessible to a directory structure
In UNIX to open storage device you have to mount them to a destination before opening them
In terms of fragmentation it is lower because ext3 does not write to disk immediately but throws the data into journal back up
Then calculate the most optimal allocation before writing to final destination

Is there a way to convert NTFS partitions to some Linux Filesystem in place without copying data?
Q. I'd like to convert a NTFS partition to a Linux File system in place without copying the data.

A. I don't think you can convert it directly without backing up your files first on a separate media unless you don't need the files.

GParted can do the conversion from NTFS to a Linux File System.



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