less (among other unix tools) does this too (but you have to do one character, bs and the character again). There are more, like _, bs, character underlines (li

less (among other unix tools) does this too (but you have to do one character, bs and the character again). There are more, like _, bs, character underlines (like cat there is ul that handles this specifically). If your terminal supports os (overstrike) in it's terminal description it handles that natively.