What does linux use for a checkdisk/scandisk program?

[Ant2ne]

This is probably going to be a stupid question, but...

I've saved a lot of Windows OSs and data with the simply utility called scandisk/checkdisk. It checks the File Table (FAT or NTFS) structure, attempt to repair damage in the File Table, attempts to repair damaged sectors, and move files out of damaged sectors (effectively repairing the files), and marks bad sectors so no new data is written to them. I once recovered a 5.4gig hard drive and it became a 3.? hard drive from marking all the damaged sectors. (Hard drive was on a fast track to the dumpster, but I got a little more use out of it, and got my system up and running quickly with this simply utility.)

What is the Kubuntu/Linux version, and where do I get it.

[penguin.ch]

Re: What does linux use for a checkdisk/scandisk program?

It's already there ... refer to man fsck for details.

[Ant2ne]

Re: What does linux use for a checkdisk/scandisk program?

very interesting reading. And this file checking is standard with all/most linux distr? I didn't see anything about checking for and marking bad sectors (so future files aren't written to bad sectors) so does this program not have that ability? or does linux file system not use sectors? And I'm looking for the wrong terminology?

[penguin.ch]

Re: What does linux use for a checkdisk/scandisk program?

I didn't see anything about checking for and marking bad sectors

The magic word is "bad blocks" - for example, in the case of EXT3 8)