# info > systemd-tty-ask-password-agent

[SYSTEMD-TTY-ASK-PASSWORDsystemd-tty-ask-passwSYSTEMD-TTY-ASK-PASSWORD-AGENT(1)](https://www.chedong.com/phpMan.php/man/SYSTEMD-TTY-ASK-PASSWORDsystemd-tty-ask-passwSYSTEMD-TTY-ASK-PASSWORD-AGENT/1/markdown)

## NAME
       systemd-tty-ask-password-agent - List or process pending systemd
       password requests

## SYNOPSIS
       systemd-tty-ask-password-agent [OPTIONS...] [VARIABLE=VALUE...]

## DESCRIPTION
       systemd-tty-ask-password-agent is a password agent that handles
       password requests of the system, for example for hard disk encryption
       passwords or SSL certificate passwords that need to be queried at
       boot-time or during runtime.

       systemd-tty-ask-password-agent implements the Password Agents
       Specification[1], and is one of many possible response agents which
       answer to queries formulated with [systemd-ask-password(1)](https://www.chedong.com/phpMan.php/man/systemd-ask-password/1/markdown).

## OPTIONS
       The following options are understood:

### --list
           Lists all currently pending system password requests.

### --query
           Process all currently pending system password requests by querying
           the user on the calling TTY.

### --watch
           Continuously process password requests.

### --wall
           Forward password requests to [wall(1)](https://www.chedong.com/phpMan.php/man/wall/1/markdown) instead of querying the user
           on the calling TTY.

### --plymouth
           Ask question with [plymouth(8)](https://www.chedong.com/phpMan.php/man/plymouth/8/markdown) instead of querying the user on the
           calling TTY.

### --console[=DEVICE]
           Ask question on TTY DEVICE instead of querying the user on the
           calling TTY. If DEVICE is not specified, /dev/console will be used.

### -h, --help
           Print a short help text and exit.

### --version
           Print a short version string and exit.

## EXIT STATUS
       On success, 0 is returned, a non-zero failure code otherwise.

## SEE ALSO
       [systemd(1)](https://www.chedong.com/phpMan.php/man/systemd/1/markdown), [systemctl(1)](https://www.chedong.com/phpMan.php/man/systemctl/1/markdown), [systemd-ask-password-console.service(8)](https://www.chedong.com/phpMan.php/man/systemd-ask-password-console.service/8/markdown),
       [wall(1)](https://www.chedong.com/phpMan.php/man/wall/1/markdown), [plymouth(8)](https://www.chedong.com/phpMan.php/man/plymouth/8/markdown)

## NOTES
        1. Password Agents Specification
           <https://systemd.io/PASSWORD_AGENTS/>

systemd 249                                  [SYSTEMD-TTY-ASK-PASSWORD-AGENT(1)](https://www.chedong.com/phpMan.php/man/SYSTEMD-TTY-ASK-PASSWORD-AGENT/1/markdown)