Convert .MPG to .AVI in Linux with Transcode:

Convert .MPG to .AVI (divx/xvid) in Linux with Transcode:

$ transcode -i input.mpg -o output.avi -y divx

or 

$ transcode -i input.mpg -o output.avi -y xvid

*NOTES:

- Where input is the source file and output the outcome file.

- the $ sign at the start of the command is to signify the terminal's prompt, no need to type this in.