Ed

Difference (from prior minor revision) (major diff)

Changed: 4c4

Man Page: http://man.cat-v.org/plan_9/1/ed

Man Page: https://linux.die.net/man/1/ed

There are lots of editors called 'ed'

 Author:   Ken Thompson
 Man Page: https://linux.die.net/man/1/ed
 Family:   LineEditorFamily
 Platform: Unix
 License:  Proprietary

Typically, folks think of Unix 'ed', a line editor with pattern matching capabilities.