-.\" $OpenBSD: ssh-agent.1,v 1.39 2003/06/10 09:12:11 jmc Exp $
+.\" $OpenBSD: ssh-agent.1,v 1.42 2005/04/21 06:17:50 djm Exp $
.\"
.\" Author: Tatu Ylonen <ylo@cs.hut.fi>
.\" Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
When executed without arguments,
.Xr ssh-add 1
adds the files
-.Pa $HOME/.ssh/id_rsa ,
-.Pa $HOME/.ssh/id_dsa
+.Pa ~/.ssh/id_rsa ,
+.Pa ~/.ssh/id_dsa
and
-.Pa $HOME/.ssh/identity .
+.Pa ~/.ssh/identity .
If the identity has a passphrase,
.Xr ssh-add 1
asks for the passphrase (using a small X11 application if running
identities anywhere in the network in a secure way.
.Pp
There are two main ways to get an agent set up:
-Either the agent starts a new subcommand into which some environment
-variables are exported, or the agent prints the needed shell commands
-(either
+The first is that the agent starts a new subcommand into which some environment
+variables are exported, eg
+.Cm ssh-agent xterm & .
+The second is that the agent prints the needed shell commands (either
.Xr sh 1
or
.Xr csh 1
-syntax can be generated) which can be evalled in the calling shell.
+syntax can be generated) which can be evalled in the calling shell, eg
+.Cm eval `ssh-agent -s`
+for Bourne-type shells such as
+.Xr sh 1
+or
+.Xr ksh 1
+and
+.Cm eval `ssh-agent -c`
+for
+.Xr csh 1
+and derivatives.
+.Pp
Later
.Xr ssh 1
looks at these variables and uses them to establish a connection to the agent.
line terminates.
.Sh FILES
.Bl -tag -width Ds
-.It Pa $HOME/.ssh/identity
+.It Pa ~/.ssh/identity
Contains the protocol version 1 RSA authentication identity of the user.
-.It Pa $HOME/.ssh/id_dsa
+.It Pa ~/.ssh/id_dsa
Contains the protocol version 2 DSA authentication identity of the user.
-.It Pa $HOME/.ssh/id_rsa
+.It Pa ~/.ssh/id_rsa
Contains the protocol version 2 RSA authentication identity of the user.
.It Pa /tmp/ssh-XXXXXXXX/agent.<ppid>
Unix-domain sockets used to contain the connection to the