How Do I Give Permission to a File in Linux?

What is the meaning of 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.

How do I give permission to a folder in Linux?

The mkdir command by default gives rwx permissions for the current user only. To add read, write, and execute permission for all users, add the -m option with the user 777 when creating a directory. The directory with rwx permissions for all users is highlighted.