Here is the full list of Pine ports:

    AIX
	a41	IBM RS/6000 running AIX 4.1 or 4.2
	a32	IBM RS/6000 running AIX 3.2 or earlier
	aix	IBM S/370 AIX

    Altos
	asv	Altos System V
	gas	Altos System V using gcc compiler

    AOS for IBM RT
	aos	AOS for IBM RT (untested)

    A/UX
	aux	Macintosh A/UX

    BSD (original BSD 4.3 from U.C. Berkeley)
	bsd	BSD 4.3

    BSDi
	bs3	BSDi BSD/386 Version 3 and Version 4
	bs2	BSDi BSD/386 Version 2
	bsi	BSDi BSD/386 Version 1

    Bull DPX
	dpx	Bull DPX/2 B.O.S.

    Convex
	cvx	Convex

    Data General
	d54	Data General DG/UX 5.4
	d41	Data General DG/UX 4.11 or earlier
	d-g	Data General DG/UX (even earlier)

    Digital Ultrix
	ult	DECstation Ultrix 4.1 or 4.2
	gul	DECstation Ultrix using gcc compiler
	vul	VAX Ultrix

    Digital Unix
	os4	Digital Unix v4.0
	osf	DEC OSF/1 v2.0 and Digital Unix (OSF/1) 3.n
	sos	DEC OSF/1 v2.0 with SecureWare

    EP/IX
	epx	EP/IX System V

    FreeBSD
	bsf	FreeBSD

    Generic (not intended for direct use)
	gen	Generic port

    HP-UX
	hpx	Hewlett Packard HP-UX 10.x
	hxd	Hewlett Packard HP-UX 10.x with DCE security
	ghp	Hewlett Packard HP-UX 10.x using gcc compiler
	hpp	Hewlett Packard HP-UX 8.x and 9.x
	shp	Hewlett Packard HP-UX 8.x and 9.x with Trusted Computer Base
	gh9	Hewlett Packard HP-UX 8.x and 9.x using gcc compiler

    ISC
	isc	Interactive Systems Unix

    Linux
	lnx	Linux using crypt from the C library
	lnp	Linux using Pluggable Authentication Modules (PAM)
	slx	Linux using -lcrypt to get the crypt function
	sl4	Linux using -lshadow to get the crypt() function
	sl5	Linux using shadow passwords, no extra libraries

    Lynx
	lyn	Lynx Real-Time System (Lynxos)

    MachTen
	mct	Tenon MachTen (Mac)

    NetBSD
	neb	NetBSD

    NeXT
	nxt	NeXT 68030's and 68040's Mach 2.0

    OpenBSD
	bso	OpenBSD with shared-lib

    SCO
	sc5	SCO Open Server 5.x
	sco	SCO Unix

    Sequent
	pt1	Sequent Dynix/ptx v1.4
	ptx	Sequent Dynix/ptx
	dyn	Sequent Dynix (not ptx)

    SGI Irix
	sgi	Silicon Graphics Irix

    Sun Solaris (Solaris 2.x is the same as SunOS 5.x)
	so5	Sun Solaris >= 2.5
	gs5	Sun Solaris >= 2.5 using gcc compiler
	so4	Sun Solaris <= 2.4
	gs4	Sun Solaris <= 2.4 using gcc compiler
	    (Note: If you use so5 or gs5 and the linker can't find the
	     function srandom, try using so4 or gs4 instead.)

    Sun SunOS
	sun	Sun SunOS 4.1
	ssn	Sun SunOS 4.1 with shadow password security
	gsu	SunOS 4.1 using gcc compiler
	s40	Sun SunOS 4.0

    System V Release 4
	sv4	System V Release 4

    UnixWare
	uw2	UnixWare 2.x

    Windows
	wnt	Windows NT 3.51


The following ports are incomplete:

	3b1	AT&T UnixPC (Pico only)
	art	AIX 2.2.1 for RT (c-client only, maybe sv4 for pine)
	att	??? (Pico only)
	drs	ICL DRS/NX (c-client only, maybe sv4 for pine)
	mac	MacOS (c-client only)
	mnt	Mint (c-client only)
	msc	MS-DOS (Microsoft C)
	pyr	Pyramid OSx (c-client only)
	qnx	QNX (c-client only, maybe sv4 for pine)
	snx	Siemens Nixdorf SINIX (c-client only, maybe sv4 for pine)
	sv2	System V Release 2 (c-client only)
	t20	TOPS/20 (c-client only)
	snx	VAX Ultrix 2.3 (c-client only, maybe vul for pine)
	vms	OpenVMS (see contrib/vms)
	win	MS Windows 3.1