systemd-tty-ask-password-agent --version (return code: 0)
systemd 229
+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ -LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD -IDN
systemd-tty-ask-password-agent --help (return code: 0)
systemd-tty-ask-password-agent [OPTIONS...]
Process system password requests.
-h --help Show this help
--version Show package version
--list Show pending password requests
--query Process pending password requests
--watch Continuously process password requests
--wall Continuously forward password requests to wall
--plymouth Ask question with Plymouth instead of on TTY
--console Ask question on /dev/console instead of current TTY