Thanks, Can I know why does it work in linux flavours like Red Hat Linux,Kali Linux but not ubuntu flavours??? y.pavan kumar On Fri, Aug 4, 2017 at 2:31 PM, Paul Eggert wrote: > L A Walsh wrote: > >> "Touching the 'file' associated with stdout"? >> > > Yes, that's it. > > How would I (or someone) use it? >> > > You run "touch -". Whatever file stdout happens to be associated with, > gets touched. It's the same idea as "cat -", except with stdout rather than > stdin. >