FLWM explained

Fast Light Window Manager
Developer:	Bill Spitzak
Programming Language:	C++
Operating System:	Unix-like
Platform:	Linux
Size:	i386: 43.6 kB package, 156.0 kB installed, ia64: 58.1 kB package, 216.0 kB installed
Genre:	Stacking window manager
License:	GPL-2.0-or-later

The Fast Light Window Manager is an X window manager that is based on FLTK. FLWM is the default window manager for Tiny Core Linux. FLWM was influenced by WM2.^[1]

Features

Features of the FLWM window manager include:

• Small (amd64: 43.8 kB Package Size, 118.0 kB Installed Size, i386: 45.3 kB Package Size, 121.0 kB Installed Size)^[2]
• Window decorations include borders and a vertical titlebar
• sloppy focus with click to focus (no autoraise)
• Multiple desktops
• Desktop switching via menu or by using the keyboard
• No support for themes. Colors are customizable via command line arguments.

See also

• Comparison of X window managers

Notes and References

1. Book: Nguyen, Binh . Linux Dictionary . 2004-08-16 . Sun-wah PearL Linux Training and Development Centre . en.
2. https://packages.debian.org/bullseye/flwm flwm 1.02+git2015.10.03+7dbb30-7 on Debian