qshape(1) on Linux
The text 37ea08f2e1d3, as Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze), Debian 5.0 (Lenny) shipped it.
Print Postfix queue domain and age distribution
Flags it lists
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-N -
-b -
-c -
-l -
-m -
-n -
-p -
-s -
-t -
-w