what does command test -x do in ubuntu?

Question

what does test -x from /etc/cron.daily/logrotate do?

test -x /usr/sbin/logrotate || exit 0
/usr/sbin/logrotate /etc/logrotate.conf

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Answer 1

Type man test in Google and it will find you a manual page that says this:

'-x file'
     True if file is executable.