/bin/zsh5 is in zsh 5.4.2-3ubuntu3.1.
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 | #!/bin/zsh -f
# This wrapper's sole purpose is to ease the migration of zsh's binary
# location from /bin/zsh5 to /bin/zsh between Debian Jessie and
# Stretch since zsh no more uses the alternatives system as there is
# only one version of zsh left in Debian since Jessie.
#
# Related bug report: https://bugs.debian.org/768079
if [[ "$0" == *zsh5* ]]; then
static=''
if [[ "$0" == *static* ]]; then
static=-static
fi
echo ""
echo " ####"
echo " #### $0 is deprecated, please switch to /bin/zsh${static} (or /usr/bin/zsh)"
if [[ "$1" == "-l" || "$0" == -* ]]; then
echo ' #### Use "chsh -s '"/bin/zsh${static}"'" to change your login shell'
fi
echo " #### This command ($0) will disappear eventually!"
echo " ####"
echo ""
fi 1>&2
exec "/bin/zsh${static}" "$@"
|