| /dev/lp* | Line printer devices. |
| /dev/printer | Socket for local requests. |
| /etc/hosts.equiv | One of two files that may specify printer access. |
| /etc/hosts.lpd | One of two files that may specify printer access. |
| /etc/printcap | Printer description file. |
| /etc/passwd | Personal identification. |
| /etc/printcap | Printer capabilities database. |
| /usr/sbin/lpd* | Line printer daemons. |
| /var/spool/* | The spooling directory, as determined from printcap. |
| /var/spool/*/minfree | Specifies number of disk blocks to leave free such that the queue can't completely fill the disk. |
| /var/spool/output/* | Directories used for spooling. |
| /var/spool/output/*/cf* | Daemon control files. |
| /var/spool/output/*/df* | Data files specified in "cf" files. |
| /var/spool/output/*/tf* | Temporary copies of "cf" files. |
| /var/spool/*/lock | The lock file to obtain the currently active job. |