Modify File Permissions with chmod

chmod 777Yes, it is dangerous to set chmod 777 permissions. You should only use chmod 755 for directories and chmod 644 for files. You should onlychmod 777 -R .* ..[!.]* Bash has this command. shopt -s dotglob to also include hidden files in commands (shopt -u dotglob to disable that behaviour) if you want to stick to