I'm an ubuntu-gnome user and my system has 4Gs of ram. So it's really difficult for me to work on android studio. Someone recommended that I use lwm(lightweight window manager). I installed it and it added an entry to the login screen. But it turned out that it's really very very lightweight. When I login to lwm, I'm greeted with a black screen with a pointer, and nothing else. The pointer works, but there is nothing to point to. Keyboard doesn't do anything. The home page of lwm doesn't help very much. It describes various cl options to be given to it. When I execute lwm on a terminal it says another window manager is already running..Maybe it needs some other programs to work correctly. Anybody knows anything about it?

  • Try right-clicking on the desktop: does a program menu come up? – Thomas N Sep 22 '16 at 19:02
  • Middle click for an xterm; right click gives a menu of windows you've minimized. What else could you want in a window manager?! :) (I use lwm) – Jeff Schaller Sep 22 '16 at 22:56
  • See the linked man page jfc.org.uk/software/lwm-stable.1x.html – Jeff Schaller Sep 22 '16 at 22:59
  • Ok I'll try it. I'm not familiar with anything like this. The blank screen looked like the initial loading screen of unity to me.;-D – saga Sep 23 '16 at 6:14

Just to make an Answer for this question, quoting from the online lwm man page:

Lwm is a window manager for the X Window System. It provides enough features to allow the user to manage their windows, and no more. Windows are surrounded by a frame with a titlebar at the top next to a small box. The frame is a grey colour for all windows except that which has the input focus, where it is black.

In the default configuration, lwm uses the enter-to-focus scheme, where moving the pointer into a window gives that window the input focus. Lwm may also be configured to use the click-to-focus scheme, where a window must be clicked on (with any button) to receive the input focus. Clicking on a window in this mode causes the window to be raised. Note that a click used to focus a window is always swallowed by lwm, so clicking a button in a new window requires two clicks.

A button 1 click on a window frame brings that window to the top. Dragging button 1 on the frame of a resizable window repositions that edge of the window. If a corner rather than an edge is dragged, then both edges forming the corner are repositioned. While you're reshaping a window, a little window pops up to show you the window's current size.

In the default configuration, button 1 on the root window does nothing.

Button 2 is used to drag a window by its frame, repositioning the window but maintaining its position in the window stack.

In the default configuration, button 2 on the root window brings up a new shell.

A button 3 click on a window frame hides that window. Pressing button 3 on the root window brings up a menu. The various items unhide the named hidden window.

A button 3 click in the frame while Shift is held down pushes the window to the back, under any other windows. (Users with 4-button mice are encouraged to use their fourth button for this function.)

A click with any button inside the little white box in a window's frame can be used to close the window.

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