jesse@jesse-nets:~$ ''

Command '' not found, but can be installed with:

sudo apt install mailutils-mh  # version 1:3.7-2.1, or
sudo apt install meshio-tools  # version 4.0.4-1
sudo apt install mmh           # version 0.4-2
sudo apt install nmh           # version 1.7.1-6
sudo apt install termtris      # version 1.3-1