The LPRng package contains cancel, checkpc, lp, lpc, lpd, lpq, lpr, lprm, lprng_certs, lprng_index_certs, lpstat and liblpr. cancel sends cancel requests to an LPRng print service. checkpc checks out the printcap database. lp sends requests to an LPRng print service. lpc is the control program for the daemon. lpd is the daemon. lpq is the status monitoring program. lpr is the job spooler program. lprm is the job removal program. lprng_certs is a program used to manage SSL certificates for the LPRng software. lprng_index_certs creates a set of index files in the LPRng signing certificate directory. lpstat is the job status program.