Reference

pdfflip(1) on Linux

The text ebd634b195bc, as Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze) shipped it. The page shows this text now.

rotate the pages of pdf files

pdfflip(1) on Linux now