5.2. Versions of sed

Linux uses the GNU version of sed, copyrighted by the Free Software Foundation. This version is almost identical to the sed provided by standard UNIX distributions.

Example 5.1.

% sed -V   or  sed --version

GNU sed version 3.02



Copyright (C) 1998 Free Software Foundation, Inc.

This is free software; see the source for copying conditions.

There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A

PARTICULAR PURPOSE, to the extent permitted by law.