linux - What exactly is the sh command? - Super User sh is the bourne shell There are several shells, of which bourne is the old standard, installed on all unix systems, and generally the one you can guarantee will exist
sh - How can I resume a stopped job in Linux? - Super User How can I resume a stopped job in Linux? I was using emacs and accidentally hit ctrl-z which blasted me back to the console I can see it when I type 'jobs' [*****]$ jobs [1]+ Stopped
linux - How to execute shell script via crontab? - Super User Make it look like this: #! bin sh notify-send "hi welcome" and make sure the script is executable: ls -l home hacks notify sh chmod +x home hacks notify sh ls -l home hacks notify sh Also, since you're asking for this to happen just once a day, is the timezone of the crontab the same as your own timezone? You might find this happening at 2pm GMT