3

What the following files means on the root directory of my Linux (Fedora 25):

$ ls -la
total 70
...
-rw-r--r--.   1 root root     0 Nov 22 09:28 1
-rw-r--r--    1 root root     0 Sep 27 09:53 .autorelabel
...
-rw-r--r--    1 root root     0 Dec  9 14:30 null

Is secure to delete them? Sometime ago I delete some file (didn't remember the name) and I complete damage the HDD partition and I don't want the same here.

Any advice?

9

This is a system with SELinux, so you should certainly keep .autorelabel. Delete null and 1.

The .autorelabel file is used most often when switching from a disabled (permissive) SELinux to an enabled (enforcing) SELinux configuration. It can also be used to correct mistakes made with SELinux when the mistakes were not made a permanent part of the SELinux configuration.

  • I can confirm that null and 1 were created by known packaging bugs and are safe to remove. – mattdm Dec 11 '16 at 18:56
2

Those are all zero-byte files. 1 and null are almost certainly safe to remove. If you're really paranoid, you can move them rather than deleting them.

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