Ubuntu (18.04) Folder Modified Date

Discuss new features and functions
Posts: 1
Joined: 5 Feb 2019

Gonchetski

Hi everyone,

When I copy files from Nautilus to my backup drive the folder modified dates remain unchanged, however when I use FFS the modified dates update to the current date and time. Note that this only happens for the folders, not the actual files.

Any thoughts on this?

Gonchetski
Posts: 309
Joined: 7 Jan 2018

bgstack15

You will observe behavior like this when you do a generic copy of a directory (a more Linux-y term for folders) as well.
If a directory is the top-most item you are copying, and the item needs to be created at the destination, it will have the current timestamp there. So, if A/B exists and you copy A to another location (say, /opt), then /opt/A will have the current timestamp, but /opt/A/B will have the same timestamp as A/B.
Now, if you are making new files inside a directory, the directory has to be updated to indicate that it has those files inside it (because on most filesystems, a directory is a special file that lists the files it has "inside" it), so the timestamp is updated at this time.