Replace the lines selected by the address with
When a range of lines is specified, all lines as a group are replaced
by a single copy of
The newline following each line of text must be escaped by
a backslash, except the last line.
The contents of the pattern space are, in effect, deleted and
no subsequent editing commands can be applied to it (or
# Replace first 100 lines in a file: 1,100c\ \ <First 100 names to be supplied>