SYSTEMD-ASK-PASSWORD(1) systemd-ask-password SYSTEMD-ASK-PASSWORD(1) (NAME) systemd-ask-password - (SYNOPSIS) systemd-ask-password [OPTIONS...] [MESSAGE] (DESCRIPTION) systemd-ask-password (passphrase) . TTY TTY . TTY --no-tty (agent- based) . -- . : SSL VPN. : o plymouth(8) o -- systemd-ask-password- console.service(8) o wall(1) -- systemd-ask-password-wall.service(8) o TTY systemctl(1) o -- systemd-tty-ask-password-agent --query. () ( ) . run0(1) . systemd (systemd Password Agent Specification)[1] . TTY TAB . Backspace . (OPTIONS) : --icon= . XDG (XDG Icon Naming Specification)[2] . --id= . . . : "--id=cryptsetup:/dev/sda5". 227 . --keyname= (kernel keyring) (cache) . root . --accept-cached . . 2.5 . NUL . keyctl(1) . : "--keyname=cryptsetup" 227 . --credential= / (credential) - - . ImportCredential= LoadCredential= SetCredential= (unit files) . systemd.exec(5) . "password". . ( $CREDENTIALS_DIRECTORY ) . 249 . --timeout= . 90s . 0 . --echo=yes|no|masked (echo) . "masked" . . . "masked" ("*") . ("") . ( backspace ("") ). 249 . --echo, -e --echo=yes . 217 . --emoji=yes|no|auto TTY () . "auto" "yes" --echo=yes . 249 . --no-tty TTY . (agents) . --accept-cached . --multiple --accept-cached . . --no-output . --keyname= . 230 . -n (newline) . -n echo(1) . 249 . --user, --system . . . 257 . -h, --help . (EXIT STATUS) 0 . (SEE ALSO) systemd(1), systemd-ask-password-console.service(8), systemd-tty-ask- password-agent(1), keyctl(1), plymouth(8), wall(1) (NOTES) 1. systemd (systemd Password Agent Specification) https://systemd.io/PASSWORD_AGENTS 2. XDG (XDG Icon Naming Specification) https://standards.freedesktop.org/icon-naming-spec/icon-naming- spec-latest.html systemd 261.2 SYSTEMD-ASK-PASSWORD(1)