catman(1M)catman(1M)NAMEcatman - create cat and whatis files for online manpages
The command creates the formatted versions of the online manpages from
source files. Each manpage in the and directories is examined, and
those whose formatted versions are missing or out-of-date are recre‐
ated. formats the most recent of the entries, compresses it, and puts
it into the appropriate directory.
If any changes are made, recreates the database. By default, the data‐
base is overwritten. If the environment variable is set to a nonde‐
fault set of paths, the old database file is saved in so that, if
desired, the system administrator may merge them together.
By default, searches the and subdirectories under the following direc‐
If is set in the environment, the directories given in are checked
instead of the default. See environ(5) for a description of the envi‐
Before running remove any existing directories. If the option is used,
directories should be removed instead. If both and directories exist,
man(1) updates both directories and more space is used.
Any command-line parameters not starting with are interpreted as a list
of manpage sections (directories) to search. For example:
restricts updating to manpage sections 1, 2, and 3 (directories and
supports the following options:
Create a merged
database; i.e., information on new manpage
entries (added since the last time was run) is
merged into the current database rather than
overwriting it. Ignored if selected with the
Prevent creation of
Print what would be done instead of doing it.
Cause only the database to be created. No manpage reformatting
Put the formatted entries in the
directories rather than in the directories.
Perform actions based on the given alternate root.
With this option, alt-path will be prefixed to
all directory paths, including default paths, the
paths defined by and the path to
defines parent directories to be used when searching and directories.
If unformatted manpages (those in the subdirectories) have been removed
since the last time was run, information in the database may be lost.
The option may be used to override this, but may result in repeated
lines in the database for the same manpage.
Create uncompressed files for sections 1 and 1m of the manual, but
don't create the database:
Run from a server to create entries for a diskless client under the
This will create manpages under:
and a file in:
Create entries for an application and merge the information with the
Note that you may wish to save before doing this, so as not to lose
was developed by HP and the University of California, Berkeley.
Unformatted source) manpage files [compressed].
Formatted manpages [compressed].
Database of manpage entry summaries; uti‐
lized by the
Command to make
SEE ALSOcompress(1), fixman(1M), man(1), envi‐