Linux in a Nutshell, 6th Edition

Input/Output Processing

Command	Action
e†	Execute commands.
n	Skip current line and go to the next line.
r	Read another file’s contents into the output stream.
R †	Read one line from a file into the output.
w	Write input lines to another file.
W †	Write first line in pattern space to another file.
q	Quit the sed script (no further output).
Q †	Quit without printing the pattern space.
v †	Require a specific version of GNU sed to run the script.