tunelp: add page (#12542)

* tunelp: add page

---------

Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>
Co-authored-by: Juri Dispan <juri.dispan@posteo.net>

pages/linux/tunelp.md

@@ -0,0 +1,25 @@
+# tunelp
+
+> Set various parameters for parallel port devices for troubleshooting or for better performance.
+> Part of `util-linux`.
+> More information: <https://manned.org/tunelp>.
+
+- Check the [s]tatus of a parallel port device:
+
+`tunelp --status {{/dev/lp0}}`
+
+- [r]eset a given parallel port:
+
+`tunelp --reset {{/dev/lp0}}`
+
+- Use a given [i]RQ for a device, each one representing an interrupt line:
+
+`tunelp -i 5 {{/dev/lp0}}`
+
+- Try a given number of times to output a [c]haracter to the printer before sleeping for a given [t]ime:
+
+`tunelp --chars {{times}} --time {{time_in_centiseconds}} {{/dev/lp0}}`
+
+- Enable or disable [a]borting on error (disabled by default):
+
+`tunelp --abort {{on|off}}`