It might be easier to connect the machines on a network and use rsync, nfs or ftp to copy data, no extra software would be needed.
If you want to do this you will need MacFuse which allows OS X to read other file systems. A tutorial for ext3 is on this blog.
The above [now below as this is the 'accepted' answer] instructions will install Snow Leopard - but not technically a clean install.
To do so follow the above steps but enter Disk Utility after choosing the language in the installer. You can wipe it from there.
Stolen from Macs.com
the Snow Leopard installer will ask which language you want to use as the main language. Make your selection and click the right arrow key.
The Install Mac OS X screen will display. Click the ‘Utilities’ button.
In the Apple menu bar, select ‘Disk Utilities’ from the Utilities menu.
Disk Utilities will launch. Select one of the following instructions, depending on what you wish to do.
Erase a Volume. Use these instructions to erase an entire volume. Be sure to back up all of your data first.
Format a Hard Drive. Use these instructions if you wish to erase an entire hard drive, including any volumes/partitions it may contain, and not create any new volumes/partitions. Be sure to back up all of your data first.
Partition a Hard Drive. Use these instructions if you wish to erase and partition a hard drive. Be sure to back up all of your data first.
When you have finished using Disk Utility, select ‘Quit’ from the Disk Utility menu.
You will be returned to the Snow Leopard Installer to continue the installation.
Best Answer
The unix command to search for files is
find
.You can use the command
man find
to get more information. The usual form is the following.For example, if you are looking for all
mp3
files in the current folder and all nested folders, use the following command.Sometimes you can get a lot of "permission denied" or other meaningless error messages. If so, then you can remove all error messages by appending a
2>/dev/null
to the end of the command. See the example below.