-h

display this help and exit

-V

output version information and exit

-G

run in compatibility mode

-l

exit with 0 status even if a command fails

-p

use STRING as an interactive prompt

-r

run in restricted mode

-s

suppress diagnostics

-v

be verboseStart 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 cor‐rupt or invalid input file, 3 for an internal consistency error (eg, bug) which caused ed to panic.REPORTING BUGSReport bugs to bug-ed@gnu.orgEd home page: http://www.gnu.org/software/ed/ed.htmlGeneral help using GNU software: http://www.gnu.org/gethelpCOPYRIGHTCopyright © 1994 Andrew L. Moore.Copyright © 2014 Free Software Foundation, Inc. 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.