.. SPDX-FileCopyrightText: 1992-2026 NWO-I/SRON Space Research Organisation Netherlands .. .. SPDX-License-Identifier: CC-BY-4.0 Commandline help ================ .. highlight:: none If you are unsure about the syntax of a command or you forgot the exact name of a command, then the command-line help function in SPEX can help you. Simply entering ``help`` on the commandline explains the basic usage of ``help``:: SPEX> help Usage: SPEX> help For a list of available help files, type 'help index'. See also the SPEX Reference manual and the SPEX Cookbook on: http://www.sron.nl/spex List of commands ---------------- When you type ``help index``, SPEX will display all the commands for which a help text is available. From there you can pick the command that you want to see a simple help text for:: SPEX> help index Help files are available for these commands: abundance elim log simulate ascdump error model step bin fit multiply syserr calculate help obin system comp ibal par use data ignore plot var dem index sector vbin distance ions shiftplot watch egrid Usage: SPEX> help Print help for command ---------------------- When you know the command that you need help for, just type ``help ``, for example we show the help for the abundance command below:: SPEX> help abundance This command changes the used set of elemental abundances. Usage: SPEX> abundance where is the set of abundances used. Allowed sets: reset - default set, currently Lodders et al. 2009 ag - Anders & Grevesse 1989 allen - Allen 1973 ra - Ross & Aller 1976 grevesse - Grevesse et al 1992 gs - Grevesse & Sauval 1998 lodders - Lodders proto-Solar 2003 solar - Lodders Solar photospheric 2003 To show the current abundance set in use: SPEX> abun show