Return root ownership to /usr
3760
What if I accidentally run command "chmod -R" on system directories (/, /etc, ...)
116134
Difference between / and /root in Ubuntu?
66818
Use chown to set the ownership of all a folder's subfolders and files?
103006
Having links relative to root?
50724
Why doesn't "sudo su" in a shell script run the rest of the script as root?
127738
Can root/superuser read my read-protected files?
148736
How can I alias a command for sudo?
86511
How do Ubuntu and Debian manage $HOME for users with sudo privileges?
102960
How do file permissions work for the "root" user?
38815
chown -R root.root /
34743
Run command at boot as root
27714
How do I drop root privileges in shell scripts?
108225
How do I extract an ISO on Linux without root access
89489
How to restore default group/user ownership of all files under /var?
158692
How do I edit a file as root?
10417
How does the 'passwd' command gain root user permissions?
78451
Clone ownership and permissions from another file?