On Wed, 27 Jan 2021 at 16:25, lordmund <lordmund@xxxxxxxxxxxxxx> wrote: > > Hi Jonathan / Hi All, > > Thank you very much for the very prompt reply and hint. > > You are right! That was rather a general Ubuntu related question. I'm sorry for that. So then this is the wrong mailing list. > I took the N.B. on PATH for the rest of my life. Thanks much. > > Back to the previous topic. The truth is that the directory "/usr/local/gcc-6.3/bin" was already correctly added to PATH after editing ".bashrc". I've just checked it now. You also need to relogin, or do ". ~/.bashrc" for the new PATH to be set. > How I can see now, the reasons for throwing a "sudo: gcc-6: command not" found output after "sudo gcc-6 --version" command are two fold: > > (1) the name of the file in that specific folder "usr/local/gcc-6.3/bin" is not "gcc-6" but "gcc-6.3" in my case; > > (2) with the "sudo" prefix it does not work only without it. cf. below. Because you've added it to your user's path, but when you use sudo to run a command as root it uses root's path.
