09-05-2012
fpmurphy -
Okay, then how can root run shell without libc? Does RHEL mount /lib somehow without a shell?
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MHPARAM(1) [nmh-1.5] MHPARAM(1)
NAME
mhparam - print nmh profile and context components
SYNOPSIS
mhparam [components] [-all] [-component | -nocomponent] [-version] [-help]
DESCRIPTION
mhparam writes the value of the specified profile component to the standard output separated by newlines. If the profile component is not
present, the default value (or nothing if there is no default) is printed.
If the switch -component is given, then the component name is displayed along with the profile components value. This can be disabled with
the switch -nocomponent.
If more than one component is specified in the components list, then the switch -component is on by default. If only one component is
specified, then the switch -nocomponent is on by default.
If -all is specified, then all components in the nmh profile are displayed and other arguments are ignored.
Examples:
% mhparam path
Mail
% mhparam mhlproc
/usr/lib/mh/mhl
% mhparam -component Path
Path: Mail
% mhparam AliasFile rmmproc
AliasFile: aliases
rmmproc: rmmproc
% mhparam -nocomponent AliasFile rmmproc
aliases
rmmproc
% mhparam path nonexistent context
Path: Mail
context: context
mhparam is also useful in back-quoted operations:
% fgrep cornell.edu `mhpath +`/`mhparam aliasfile`
EXIT STATUS
mhparam returns the number of components that were not found.
FILES
$HOME/.mh_profile The user profile
or $MH Rather than the standard profile
<mh-dir>/context The user context
or $MHCONTEXT Rather than the standard context
PROFILE COMPONENTS
context: To determine the context file
SEE ALSO
mh-profile(5)
DEFAULTS
`-nocomponent' if only one component is specified
`-component' if more than one component is specified
`components' defaults to none
CONTEXT
None
MH.6.8 11 June 2012 MHPARAM(1)