How to split a large text file into smaller files with equal number of lines?

Question

I\'ve got a large (by number of lines) plain text file that I\'d like to split into smaller files, also by number of lines. So if my file has around 2M lines, I\'d like to

Answer 1

split the file "file.txt" into 10000 lines files:

split -l 10000 file.txt