Reference

pekwm(1) on Linux

The text 5651231766fc, as Debian 13 (Trixie), Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze) shipped it.

a tabbed window manager

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pekwm(1) on Linux now