How to recovery files with original names?
 

I use in wrong directory, so I need recovery files. Directory is in my home partition.
So, It's possibility recovery with original names or last names?

Try the photorec or Testdisk utilities, but you should stop using the system asap, as it may overwrite the 'deleted' files.

If the system was using a GUI and has a Trash icon, you may find the files in there, without using the utilities.

What is asap system?
I haven't files in trash.

I use photorec but it hasn't output original names. ;(
(only fnumber.mp4 ....)

I care about restoring .mp4 files before 48 hours with original names.

FYI, ASAP = As Soon As Possible
FYI = For Your Information
;)

In which case you should simply restore them from your backup.

I haven't backup.
I modified some parameters (sync audio, codec etc) and I haven't finished work.
I don't want start from scratch and lost effect.

So, I haven't chance to restore files from a specific directory, last modification time?

You may have a chance with using ext3undelete. But if you have used the system since you deleted the file chances are high that the files are already overwritten, so unrecoverable.
The most important principle of data recovery is not allowing any writes to the partition where the files are on.

I read opitions extundelete. This command:
will be ok?

Never tried it and don't have it installed on my systems, so I can't say.

Are you still using the OS which you used to delete those files?

...additionally a single file gets a single inode assigned.
This inode holds, among other things, information like the file name.
If the link between inode and file is broken that information is lost.

I turn off machine yesterday. But I try my command (first umount sda3):

The inode does not contain the file name. Only the directory entry contains the name, and that is lost when the file is unlinked by the rm command.

What you might be able to do is use debugfs to dump the data blocks for that directory and then examine the output with a hex editor. That should help you remap the photorec filenumbers to their original names. Beware that the directory may contain entries for older versions of files, and anything you've done in that directory may have overwritten some of what you need, so it's going to take some work to sort it out.In /var/tmp/dirdata you'll see filenames in text, each preceded by some binary data including the inode number (little-endian). At least that's the case for ext2 and ext3. I haven't had occasion to look at the on-disk directory format variants for ext4. With a little luck and a lot of effort you may be able to restore the original names for most of those deleted files.