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Initialization Script
When running interactively, the user has the option of providing an initialization script, which will be executed after XSPEC completes its startup procedure, ie. just before it begins prompting for commands. The file should be named xspec.rc and located in the directory $HOME/.xspec. If one runs XSPEC in batch mode, by specifying a script on the command line, this initialization script is not executed. When multiple users are accessing a single system-wide XSPEC build, the installer can also provide additional initialization that will apply to all users. See the section “XSPEC Overview and Helpful Hints: Customizing XSPEC” for more details.