For installation instructions see the Section called Installing Sed-4.0.7 in Chapter 6.
Sed (4.0.7):
ftp://ftp.gnu.org/gnu/sed/
(Last checked against version 4.0.7.)
sed is a stream editor. A stream editor is used to perform basic text transformations on an input stream (a file or input from a pipeline).
Installed program: sed
sed is used to filter and transform text files in a single pass.
(Last checked against version 3.02.)
Bash: sh
Binutils: ar, as, ld, ranlib
Coreutils: cat, chmod, expr, hostname, install, ls, mv, rm, echo, sleep, tr
Diffutils: cmp
Gawk: gawk
GCC: cc1, collect2, cpp, gcc
Glibc: getconf
Grep: egrep, fgrep, grep
M4: m4
Make: make
Sed: sed
Texinfo: install-info, makeinfo