This is what I get for the man page, is this all it is suppose to say?
# man umask
<standard input>:16: realpath on `bash.1' failed: No such file or directory
BASH_BUILTINS(1) BASH_BUILTINS(1)
NAME
bash, :, ., [, alias, bg, bind, break, builtin, case, cd, command, compgen, complete, con-
tinue, declare, dirs, disown, echo, enable, eval, exec, exit, export, fc, fg, for, getopts,
hash, help, history, if, jobs, kill, let, local, logout, popd, printf, pushd, pwd, read,
readonly, return, set, shift, shopt, source, suspend, test, times, trap, type, typeset,
ulimit, umask, unalias, unset, until, wait, while - bash built-in commands, see bash(1)
BASH BUILTIN COMMANDS
SEE ALSO
bash(1), sh(1)
GNU Bash-2.05a 2001 October 29 BASH_BUILTINS(1)