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In addition to a swap partition, Linux can also use a swap file. Some programs, like g++, can use huge amounts of virtual memory, requiring the temporary creation of extra space.
Read 32GB zero's and throw them away.
How fast is your system?
dd for windows is available from http://www.chrysocome.net/dd
Tested with CD-ROMs like Linux install discs
I don't know about DVD-ROMs.
waste the band width
This will output the sound from your microphone port to the ssh target computer's speaker port. The sound quality is very bad, so you will hear a lot of hissing.
This will copy the first 1MB of your /dev/sdX volume to your /root/sdX.bin file, where SDX is the name of the device you wish to copy the data from (Usually a hard disk)
NOTE: Make sure you capitalize the M in field for BS.
Creates a quick backup with tar to a remote host over ssh.
Alternatively, if your password can contain a richer character set, try using 'uuencode' rather than base64.
dd if=/dev/urandom bs=16 count=1 2>/dev/null | uuencode -
Sample of that: '0:.CF\-@"\`W315VG^4O\.@``'
mount -t msdos -o loop ./floppy.img /tmp/mnt