Cookies are lines in a file that the browser enables you to write to disk. This file will be named cookies.txt on a Windows machine, or just cookies on a UNIX or Macintosh. Under Netscape Navigator this file will be in your Netscape directory or folder. Cookies are limited in size and number.
Nevertheless, cookies are extremely useful. They are frequently used in the same way as a Windows .ini file, a Macintosh Preferences file, or a UNIX.rc file.