Truncating the first 100MB of a file in linux

Question

I am referring to How can you concatenate two huge files with very little spare disk space?

I\'m in the midst of implementing the following:

1. Allocate a

Answer 1

If you can work with ASCII lines and not bytes, then removing the first n lines of a file is easy. For example to remove the first 100 lines:

sed -i 1,100d /path/to/file