Changing “/usr” directory permissions under Ubuntu recovery mode
3760
What if I accidentally run command "chmod -R" on system directories (/, /etc, ...)
47399
Change default permissions for new files and folders
127192
What are the different ways to set file permissions etc on gnu/linux
29796
Linux local directory permissions as question-marks for non-root
107509
Undo sudo rm -R /*
57396
Folder permissions, red x on user object
71654
rm: cannot remove directory/: Permission denied
7146
How to recover from a chmod -R 000 /bin?
89489
How to restore default group/user ownership of all files under /var?
75815
Why can't I change directory to the current directory with permission denied?
53465
Do the parent directory's permissions matter when accessing a subdirectory?
145134
Permissions to change only directory content and not itself
31581
How can I change permissions on external drives?
23295
How do I use 'chmod' on an NTFS (or FAT32) partition?
144371
How do I change directories from the command line?
73485
Unix: Is there a way to "copy" file or directory permissions?
125558
Why Changing Permissions For Some Systems Files is Not Allowed?