AdiIRC

Added in 1.5

/server [host/ip address/network label] [port] [password] [-switches..]

Connects to a new server.

Parameters

[host/network label] - Host to join, can be a ip address or host name, can also be a network label from the serverlist or the default serverlist.
[port] - Port to use. (+port indicate connection should be a SSL connection, * indicates a STARTTLS connection)
[password] - The server password to use, normally used for bnc login.

Switches

[-j/-join #channel pass] - Channels to join as a comma separated list.
[-new/-m/] - Indicates connection should happen in a new server window.
[-forcessl N] - Forces a specific SSL/TLS version, 0 = ssl2, 1 = ssl3, 2 = tls1.0, 3 = tls1.1, 4 = tls1.2 (tls1.1 and tls1.2 is only available in the .net 4+ version)
[-n] - Indicates connection should happen in a new server window, but not connect.
[-z] - Minimizes the new server window.
[-p/-pass password] - Another way to set the server password to use, normally used for bnc login.
[-e/-ssl] - Indicates connection should be a SSL connection.
[-t] - Indicates connection should be a STARTTLS connection.
[-u/-user username] - The server login username to use, normally used for bnc login.
[-nick nick] - The nick to use.
[-an/-anick alternate nick] - Alternative nick to use.
[-r/-real fullname] - Fullname to use.
[-port port] - Another way to set what port to use.
[-i nick anick email name] - Another way to set nick, alternative nick, server username and fullname.
[-d encoding] - Encoding to use on this server.
[-cert file] - Custom SSL client certificate to use for this server.

Example

; Connect irc.nordicirc.com port 6667 in a new server window with nick MyNick, alt nick MyNick_ and join channels #chan1,#chan2,#chan3.
/server -m irc.nordicirc.com 6667 -nick MyNick -an MyNick_ -j #chan1,#chan2,#chan3

; Connect a network label from the serverlist named 'NordicIRC'
/server -m NordicIRC

; Connect a network label from the default serverlist named 'Freenode'
/server -m Freenode