How to quickly split an mp4 file?

Question

fmpeg

Essentially mp4 is used for streaming. If you just divide the file into two identical parts, is that possible?
P.S. no time to wait while the video is transcoded

Answer 1

>ffmpeg.exe -i 1123.mp4" -ss 00:00:00 -t 00:13:18 -vcodec copy -acodec copy out2.avi