A2CLOUD commands:
  (note : new commands may be added; use a2cloud-setup to refresh)

a2cloud-help : show this list of commands
a2cloud-version : see installed version of A2CLOUD
a2cloud-update : update A2CLOUD, or add features

system-shutdown : shut down the A2CLOUD machine (or VM)
system-restart : shut down and restart  the A2CLOUD machine (or VM)

welcome-message-edit : change the welcome message

showip : show the current ethernet IP address of the server
showmac : show the MAC (Ethernet hardware) address of the server
showip-wifi : show the current wifi IP address of the server
showmac-wifi : show the MAC (wifi hardware) address of the server
ifreset : reset all network interfaces (requires restart)

adtpro-stop : stop the ADTPro service
adtpro-start : start the ADTPro service
  (note: autostarts on appearance of eligible USB-to-serial adapter)
adtpro-restart : restart the ADTPro service

term [-d] mono : use VT-100 (mostly monochrome) emulation in serial
    shell login for ProTERM, Spectrum, Z-Link, etc. (-d sets default)
term [-d] color : use ANSI color and PC graphic text in serial shell
    login for Spectrum or other PC-ANSI terminal (-d sets default)
baud : show or set serial port shell baud rate
screen : switch between multiple terminal screens

vsd1 : show or set the disk image assigned to virtual drive 1
vsd2 : show or set the disk image assigned to virtual drive 2
forfloppy : move the disk image to the ADTPro disk images folder
    (/usr/local/adtpro/disks) in preparation for transfer
vsdsync : update ADTPro server with the current virtual drive images

nulib2 : create, extract, and work with NuFX (ShrinkIt) archive files
sciibin : decode BinSCII file (they start with 'FiLeStArTfIlEsTaRt')
unblu/usq/unbit/unexec : decode Binary II, Squeezed, Executioner,
    or monitor hex entry EXEC file (old Apple II distribution formats)

unar : extract non-Apple II archive files (multiformat)
lsar : list contents of non-Apple II archive files (multiformat)

a2cat: catalog Apple II disk image (any format)
acmd : do stuff with files inside Apple II disk images
mkpo : make blank ProDOS disk image file
dos2pro: copy files from DOS 3.3 disk image to ProDOS disk image
dopo : convert DOS-ordered disk image to ProDOS, or vice-versa
cppo : catalog and copy files from ProDOS image file (slow, but works)
shk2image : extract files from ShrinkIt archive to disk image file

 environment variables :
$VSD1 = disk image currently "inserted" in virtual drive 1
$VSD2 = disk image currently "inserted" in virtual drive 2
$ADTDISKS = ADTPro disks directory (/usr/local/adtpro/disks)
$A2CLOUD = 800K A2CLOUD disk (/usr/local/adtpro/disks/A2CLOUD.HDV)
$GSDISKS = GSport/KEGS disks directory (/usr/local/share/gsdisks)
$GSHD = GSport/KEGS hard drive (/usr/local/share/gsdisks/gsoshd.hdv)

 internet tools:
ftp : connect to an FTP site (command line operation)
cftp : connect to an FTP site (full screen operation)
lynx : browse the web (in text only, of course)
links : browse the web (alternative to lynx; press ESC for menu)
wget : download a single URL from an FTP or web site
irssi : IRC chat (general purpose)
a2chat : IRC chat (automatically opens to Apple II channel)
a2news : read and post on Usenet discussions (default Apple II topics)
ttytter : tweet like there's no tomorrow

 emulators:
gsport : GSport Apple IIgs emulator
kegs : KEGS Apple IIgs emulator
linapple : LinApple Apple IIe emulator