1. $ cat 1257893 # 1257893 program 2. # this is a shell script to say 1257893 3. echo 1257893 4. echo -n “Today is” 5. date “+%A,%B %d,%Y.” 6. $.1257893 # run 7. 1257893 8. Today is Sunday,December 8, 2019. 9. $_