Emacs Tip #1 -- make-frame-on-display
make-frame-on-display creates a new emacs window on a
different X display (machine or session). The new window shares
buffers, history, etc. with the original frame. When you are done
with the new frame, use delete-frame to get rid of it.
This is incredibly useful. You can share a session with a colleague.
You can use emacs that's running on a remote host as if it was a local
window. You can run emacs on a server, pop up the new frame on your
latptop, then destroy the frame when you shut down the laptop. Come
back the next day and use make-frame-on-display to
continue where you left off.
Other Options
There are two other options to achieve similar results:
screen
screen is an excellent program which lets you have
multiple virtual terminals in one ssh/telnet session. Hotkeys let you
toggle between the virtual terminals. Best of all, you can leave the
session running, log out, and then reconnect later. You can leave
emacs running in one of the virtual terminals. Then its buffers and
history are intact when you next log in.
VNC
VNC is a pair of programs, one of which shares a desktop
for other computers to see and another that allows you to look at a
desktop on another machine. On a GNU/Linux machine, run
vncserver to start a new VNC desktop and use
vncviewer to connect to an existing desktop. In recent
distributions, you can share your current desktop using
"System/Preferences/Remote Desktop".
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