Search notes:
Editor: ed
ed is a line oriented
text editor and together with the assembler and the
shell one of the first three key elements of the Unix operating system.
ed is pronounced as ee-dee.
ed (as also vi) is covered by the
POSIX standard.
ed was developed by Ken Thompson.
See also
edlin
(MS-Dos and 32-bit Versions of Windows NT) was inspired by ed and has a similar usage and syntax like ed.