Chmod

chmod 777 You can type chmod 777, leave a space after it, and then drag the file or folder from Finder into Terminal. Terminal will fill in the correct path for you.. chmod 777 foldername will give read, write, and execute permissions for everyone. chmod 700 foldername will give read, write, and execute

harapan777 link, The chmod command modifies the mode bits and the extended access control lists (ACLs) of the specified files or directories. The mode can be defined.