Linux file permissions: doing my best to break down this technical topic in a way that even a new Linux user can understand :D 0:00 let's start by defining what a file permission is 2:31 why do permissions exist? 4:21 chmod syntax 5:49 what are octal permissions? 7:49 Linux dir permissions 9:01 standard file attributes 9:44 permission inheritance & ACLs ArchWiki article: #Numeric_method wallpaper photo is mine, I post and sell my photos on my patreon if you are interested!