Linux Necessity to unmount USB drives before removing it from the pc?

AffirmativeGuy

AffirmativeGuy

Apprentice
Hi, is it necessary to unmount the usb drive from a Linux based os before removing it from the pc? Because the other day I removed my pendrive without unmounting it and then when I went to use it in my windows based pc it showed the drive was corrupt and hence I lost all of my data.

Sorry for the dumb question, I am new to linux.
 
If you are sure your pen drive isnt in use then it can be hot-unplugged. Corruption occurs when someone unplugs a drive which is in use.
The unmount or unplug option in the os as well checks for the device in use by any process, file or explorer and shell.
 
I think it depends more on the Filesystem of the pendrive. NTFS is generally more resilient to corruption for hot-unpluged. As for data corruption it should have been easily recovered if it was a Filesystem corruption. It's probably your data that got corrupt because of INCOMPLETE write task in the previous system.
 
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