How to Install Pd-extended 0.42.5 on Linux (Ubuntu 11.04 - the Natty Narwhal) ?
1 . Download PD Extended
2. When Download is finish double Click the file which is name Pd-0.42.5-extended-ubuntu-natty-i386.deb
3. If Ubuntu say to you "This is not trusted and The package is of bad quality" Ignore and Go On.
4. Follow on Progress window how much time is past installation.
5. When finish the installation, Go to Applications / Sound&Video/
6. Click Puredata Extended
Enjoy the PureData on Linux (Ubuntu 11.04 - the Natty Narwhal)