This manual page is not meant to be exhaustive. The complete documentation for this version of TeX can be found in the info file or manual Kpathsea: A library for path searching.
mktexlsr is used to generate the ls-R databases used by the kpathsea library. It will create them for the specified directories, or for a default list if no directories are specified.
mktexlsr accepts the following options:
Print help message and exit.
Print version information and exit.
Report bugs to: firstname.lastname@example.org (https://lists.tug.org/tex-k)
TeX Live home page: https://tug.org/texlive/
The man page texhash(1) is an alias of mktexlsr(1).