systemd-ask-password: add page (#10824)

* systemd-ask-password: add page

* systemd-ask-password

Remove whitespace.

* Update pages/linux/systemd-ask-password.md

Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>

* Update pages/linux/systemd-ask-password.md

Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>

---------

Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>

pages/linux/systemd-ask-password.md

@@ -0,0 +1,28 @@
+# systemd-ask-password
+
+> Query the user for a system password.
+> More information: <https://www.freedesktop.org/software/systemd/man/systemd-ask-password.html>.
+
+- Query a system password with a specific message:
+
+`systemd-ask-password "{{message}}"`
+
+- Specify an identifier for the password query:
+
+`systemd-ask-password --id={{identifier}} "{{message}}"`
+
+- Use a kernel keyring key name as a cache for the password:
+
+`systemd-ask-password --keyname={{key_name}} "{{message}}"`
+
+- Set a custom timeout for the password query:
+
+`systemd-ask-password --timeout={{seconds}} "{{message}}"`
+
+- Force the use of an agent system and never ask on current TTY:
+
+`systemd-ask-password --no-tty "{{message}}"`
+
+- Store a password in the kernel keyring without displaying it:
+
+`systemd-ask-password --no-output --keyname={{key_name}} "{{message}}"`