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tunelp -u user Allow user (a user ID or name) to use reserved blocks. tunelp tunelp device [options] Description System administration command. Control a lineprinter's device parameters. Without options, print information about device(s). Options -a [on|off] Specify whether or not to abort if the printer encounters an error. By default, do not abort. -c n Retry device n times if it refuses a character. (Default is 250.) After exhausting n, sleep before retrying. -i irq Use irq for specified parallel port. Ignore -t and -c. If 0, restore noninterrupt driven (poll- ing) action.