> GNU sed is the Free Software Foundation's version of the sed(1) editor. > > GNU sed isn't really a true text editor or text processor. Instead, it > is used to filter text, i.e., it takes text input and performs some > operation (or set of operations) on it and outputs the modified text. > Sed is typically used for extracting part of a file using pattern > matching or substituting multiple occurrences of a string within a file. > > The sed binary is prefixed with the letter g to differentiate it from > the standard application with the same name.
And what/who needs this?
