Update cheatsheets

netbsd/cal

@@ -0,0 +1,41 @@
+---
+syntax: markdown
+tags: [tldr, netbsd]
+source: https://github.com/tldr-pages/tldr.git
+---
+# cal
+
+> Display a calendar.
+> More information: <https://man.freebsd.org/cgi/man.cgi?cal>.
+
+- Display a calendar for the current month:
+
+`cal`
+
+- Display a calendar for a specific year:
+
+`cal {{year}}`
+
+- Display a calendar for a specific month and year:
+
+`cal {{month}} {{year}}`
+
+- Display the whole calendar for the current year using [j]ulian days (one-based, numbered from January 1):
+
+`cal -y -j`
+
+- [h]ighlight today and display [3] months spanning the date:
+
+`cal -h -3 {{month}} {{year}}`
+
+- Display the 2 months [B]efore and 3 [A]fter a specific [m]onth of the current year:
+
+`cal -A 3 -B 2 {{month}}`
+
+- Display a specific number of months before and after ([C]ontext) the specified month:
+
+`cal -C {{months}} {{month}}`
+
+- Specify the starting [d]ay of the week (0: Sunday, 1: Monday, ..., 6: Saturday):
+
+`cal -d {{0..6}}`