Is there a Linux utility that, when deleting or formatting, fills a partition or file with zeros and ones first?

Question

linux

Actually, the question is in the topic of the post.

Answer 1

$ sudo cat /dev/zero > /dev/sda1
;-)
You don't need any special commands in Linux... if you understand well what you want to do.

Answer 2

man shred if you're serious, not just random.

Answer 3

shred.
well, do not try on ssd - it's useless.