On 11/09/17 01:14, Bryan Kilgallin (iiNet) via linux wrote:
> My shell's tutorial mentions two of these: HOME and PWD. How might I list all such?
But you may get a very long list, so try
$ set | less
[I do not know 'fish' so YMMV]
> > echo My home directory is $HOME
> My home directory is /home/tutorial
> Variable substitution also occurs in double quotes, but not single quotes:
> > echo "My current directory is $PWD"