All the format codes are documented in the man page for date. in particular:
+%a gives a short form, such as Mon +%A gives full name, e.g. Monday +%^a and +%^A as above, but all capital letters. ----- Original Message ----- From: "Jeff Peng" <j...@tls-mail.com> To: "debian-user" <debian-user@lists.debian.org> > While I expect the output should be: > $ date +%such_a_option > Tuesday > or > $ date +%such_a_option > Tue > does date command has this option? Yes, see above. -- Bob Netzlof a/k/a Sweet Old Bob