macOS not allowing me to change file permissions though I am the sole user/admin
16433
What is the "rootless" feature in El Capitan, really?
9981
How do I get permissions to edit system configuration files?
22589
How to set file permissions (cross platform) in C++?
28759
Change folder permissions and ownership
24735
How to set default file permissions for all folders/files in a directory?
146461
Repair filesystem permission
13037
Reset All Mojave App Permissions
60852
How to manage permissions on a shared volume for OSX and ubuntu
2225
Why can't I delete a file even though I have write permissions?
21563
How to change permissions for a folder and its subfolders/files in one step?
1291
I added a user to a group, but group permissions on files still have no effect
100762
Folder with ONLY write permission is useless... right?
32025
Can't change owner of folders/files on thumb drive
75118
admin no longer has access to shared folder
154008
How to change permission external hard drive in ubuntu 12.04
22847
Access denied to a folder after removing administrator permission
73485
Unix: Is there a way to "copy" file or directory permissions?