How Do I Change Permissions On Folder And Files?

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http://askubuntu.com – Files and folders from another PC viewed as locked and showing "nobody/nogroup" Works fine when creating a new folder and new file on the PC: permission for folders: drwxrwxr-x permission for files: -rw-rw-r-- When copying/moving a folder containing files from another PC: permission for folders: drwxr-xr-x permission for files: -rwxr--r-- I would like to match the permissions of all files and folders from another PC to match the current PC. I hope that makes sense. (HowTos)