a\

Append text after a line.

c\

Replace text (usually a text block).

i\

Insert text before a line.

d

Delete lines.

s

Make substitutions.

y

Translate characters (like tr in Chapter 3).

=

Display line number of a line.

l

Display control characters in ASCII.

p

Display the line.

n

Skip current line and go to line below.

r

Read another file's contents into the input.

w

Write input lines to another file.

q

Quit the sed script (no further output).

h

Copy pattern space into hold space; wipe out what's there.

H

Copy pattern space into hold space; append to what's there.

g

Get the hold space back; wipe out the pattern space.

G

Get the hold space back; append to the pattern space.

x

Exchange contents of hold space and pattern space.

b

Branch to label or to end of script.

t

Same as b, but branch only after substitution.

:label

Label branched to by t or b.

N

Read another line of input (creates embedded newline).

D

Delete up to the embedded newline.

P

Print up to the embedded newline.