permissions - File access permitions and rights - Ask Ubuntu


this question has answer here:

what happen if change rights , file permissions in / ( root ) folder system folders 700? recommendable?

( user on system )

700 denies access users other superuser (eg root).

it deny running application normal user, or logging in. applications (eg in /usr) , configuration (in /etc) , data (in /var) need accessible user going run applications.

for file important inaccessible regular users, permission set. not try re-invent security features built operating system.


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