/usr/bin/byobu-shell is in byobu 5.125-0ubuntu1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 | #!/bin/sh
#
# byobu-shell: display the MOTD and launch the default shell
# Copyright (C) 2008 Canonical Ltd.
#
# Authors: Dustin Kirkland <kirkland@byobu.org>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, version 3 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
PKG="byobu"
[ -r "$HOME/.byoburc" ] && . "$HOME/.byoburc"
[ -z "${BYOBU_PREFIX}" ] && export BYOBU_PREFIX="/usr" || export BYOBU_PREFIX
. "${BYOBU_PREFIX}/lib/${PKG}/include/common"
FLAG="$BYOBU_CONFIG_DIR/.welcome-displayed"
# Find a MOTD, seems that they're moving around
for i in /etc/motd /run/motd.dynamic /run/motd; do
[ -r $i ] && [ ! -e "$HOME"/.hushlogin ] && cat $i && break
done
if [ ! -e "$FLAG" ]; then
echo
echo "Welcome to the light, powerful, text window manager, Byobu."
echo "You can toggle the launch of Byobu at login with:"
echo " 'byobu-disable' and 'byobu-enable'"
echo
echo "For tips, tricks, and more information, see:"
echo " * http://bit.ly/byobu-help"
echo
touch "$FLAG"
fi
[ -n "$SHELL" -a -x "$SHELL" ] && exec "$SHELL" || exec /bin/sh
# vi: syntax=sh ts=4 noexpandtab
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