Was Ist Chmod 777?

Setting 777 permissions to a file or directory means that it will be readable, writable and executable by all users and may pose a huge security risk. ... File ownership can be changed using the chown command and permissions with the chmod command.

What the problem is if we chmod 777 for all the files?

The problem is that if someone can penetrate your system as a user other than yourself, if your files are CHMOD 777, they can read, write, execute and delete them. This is considered a security threat.

How do you make chmod 777 all var www subfolders?

If you are going for a console command it would be: chmod -R 777 /www/store . The -R (or --recursive ) options make it recursive. chmod -R 777 .