Hi Stephen, thanks for that answer. On 12/06/2017 02:58 PM, Stephen Harris wrote: >> "If command is specified, it is executed on the remote host instead of a >> login shell." >> >> But afaik this is not quite accurate. The login shell is always started. >> But if a command is specified it runs that command instead of just >> opening an interactive setting. > > Not quite. A "login shell" is a specific term in Unix. If means (roughly) > the shell the user has defined (eg in /etc/passwd) but run in a specific > way. The term "login shell" also refers to the shell defined in /etc/passwd in general. For example chsh(1) says "chsh - change your login shell". So in this way it's the shell that the user uses to login, not a shell run in a specific way. I know that the second meaning is also valid and may be more common. But not to be explicit here is confusing. From the man page it is not clear if a shell is executed at all. >> So if a user has /dev/false as login shell, you cannot run a command on > > So here is where your confusion over terminology led you wrong. The > password file defines the shell to be used. How the shell is called > determines if it is being used a login shell or not. > Well, it's not actually my confusion over terminology. The terminology itself is ambiguous. We should consider this in the man page. Yours David -- David Rabel Linux Consultant & Trainer Tel.: +49-1511-5908566 Mail: rabel@xxxxxxxxxxxxx B1 Systems GmbH Osterfeldstraße 7 / 85088 Vohburg / http://www.b1-systems.de GF: Ralph Dehner / Unternehmenssitz: Vohburg / AG: Ingolstadt,HRB 3537
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