notify-send
a program to send desktop notifications
TLDR
Show a notification with the title "Test" and the content "This is a test"
Show a notification with a custom icon
Show a notification for 5 seconds
Show a notification with an app's icon
SYNOPSIS
notify-send [OPTIONS] {summary} [body]
DESCRIPTION
With notify-send you can send desktop notifications to the user via a notification daemon from the command line. These notifications can be used to inform the user about an event or display some form of information without getting in the user’s way.
OPTIONS
-?, --help
Show help and exit.
-u, --urgency=LEVEL
Specifies the urgency level (low, normal, critical).
-t, --expire-time=TIME
The duration, in milliseconds, for the notification to appear on screen.
(Ubuntus Notify OSD and GNOME Shell both ignore this parameter.)
-i, --icon=ICON[,ICON...]
Specifies an icon filename or stock icon to display.
-c, --category=TYPE[,TYPE...]
Specifies the notification category.
-h, --hint=TYPE:NAME:VALUE
Specifies basic extra data to pass. Valid types are INT, DOUBLE, STRING and BYTE.
AUTHORS
Andre Filipe de Assuncao e Brito <decko@noisemakers.org>
Original author
Paul van Tilburg <paulvt@debian.org>
Original author
Riccardo Setti <giskard@debian.org>
Original author
SEE ALSO
The Desktop Notification Spec on http://www.galago-project.org/specs/notification/.