$>unison /mnt/c/Users/v/docs/ ssh://logos//home/vama/docs/
Unison 2.52.1 (ocaml 4.04.2): Contacting server...
bash: line 1: unison: command not found
Fatal error: Lost connection with the server
https://alliance.seas.upenn.edu/~bcpierce/wiki/index.php?n=Main.UnisonFAQTroubleshooting
The command line "unison work ssh://remote.dcs.ed.ac.uk/work" fails, with "fatal error: could not connect to server." But when I connect directly with ssh remote.dcs.ed.ac.uk/work, I see that my PATH variable is correctly set, and the unison executable is found.