Changing file permission as root

Question

I want to change this file to be read only ( 444 ). At present it is:

-rwxrwxrwx 1 root root 10313267 Aug  8 14:28 ron-video-intro-24fps-november-05-2015.mp4

I've tried the commands unsuccessfully:

sudo chmod 444 ron-video-intro-24fps-november-05-2015.mp4
sudo chmod -X ron-video-intro-24fps-november-05-2015.mp4

What is the corret command?

I think you are correct. The file system type shown with df -T is showing fuseblk . Is this the reason? — Ron Piggott, Aug 9 '16 at 4:20
Possible duplicate of Change folder permissions and ownership — heemayl, Aug 9 '16 at 4:30

heemayl · Answer 1 · 2016-08-09 04:29:49Z

up vote 2 down vote

The first command is the correct one: sudo chmod 444 ron-video-intro-24fps-november-05-2015.mp4

The second command will only remove the executable bit and the file will end up with permission 666.

heemayl

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answered Aug 9 '16 at 4:23

sмurf

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