ed − line-oriented text editor
ed [options] [file]
GNU Ed − The GNU line editor.
display this help and exit
output version information and exit
run in compatibility mode
exit with 0 status even if a command fails
use STRING as an interactive prompt
run in restricted mode
−s, −−quiet, −−silent
suppress diagnostics, byte counts and ’!’ prompt
be verbose; equivalent to the ’H’ command
Start edit by reading in ’file’ if given. If ’file’ begins with a ’!’, read output of shell command.
Exit status: 0 for a normal exit, 1 for environmental problems (file not found, invalid flags, I/O errors, etc), 2 to indicate a corrupt or invalid input file, 3 for an internal consistency error (eg, bug) which caused ed to panic.
© 1994 Andrew L. Moore.
Copyright © 2017 Antonio Diaz Diaz. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.
The full documentation for ed is maintained as a Texinfo manual. If the info and ed programs are properly installed at your site, the command
should give you access to the complete manual.