Wrong source directory for copy operation (page 133)
More...Reported on: 2005-11-17
In chapter 5. The Debian package management system on page 133:
The first command executed on the shell in the example code snippet in section 5.2.3 should copy the file /var/cache/apt/archives/postfix_2.1.5-1_i386.deb, not /var/spool/apt/archives/postfix_2.1.5-1_i386.deb.