# dpkg -L tesseract-ocr
/.
/usr
/usr/share
/usr/share/man
/usr/share/man/man1
/usr/share/man/man1/cntraining.1.gz
/usr/share/man/man1/tesseract.1.gz
/usr/share/man/man1/shapeclustering.1.gz
/usr/share/man/man1/combine_tessdata.1.gz
/usr/share/man/man1/unicharset_extractor.1.gz
/usr/share/man/man1/ambiguous_words.1.gz
/usr/share/man/man1/wordlist2dawg.1.gz
/usr/share/man/man1/mftraining.1.gz
/usr/share/man/man1/dawg2wordlist.1.gz
/usr/share/doc
/usr/share/doc/tesseract-ocr
/usr/share/doc/tesseract-ocr/copyright
/usr/bin
/usr/bin/tesseract
/usr/share/doc/tesseract-ocr/changelog.Debian.gz
It seems like the ubuntu package only installs the /usr/bin/tesseract binary and the man page for combine_tessdata.1.gz