Merge pull request #1043 from danielcompton/patch-1

date: add unix epoch timestamp

pages/linux/date.md

@@ -0,0 +1,19 @@
+# date
+
+> Set or display the system date.
+
+- Display the current date using the default locale's format:
+
+`date +"%c"`
+
+- Display the current date in UTC and ISO 8601 format:
+
+`date -u +"%Y-%m-%dT%H:%M:%SZ"`
+
+- Display the current date as a Unix timestamp (seconds since the Unix epoch):
+
+`date +%s`
+
+- Display a specific date (represented as a Unix timestamp) using the default format:
+
+`date -d @1473305798`