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shuck is a wrapper around the commands run by cron that throws away output unless the command appears to fail. It only generates output if the job generates output on stderr or exited a non-zero status. Usage: shuck "<cmd>" shuck -c "<cmd>" shuck <cmd> <arg> ... The -c option is optional and exists for transparent compatibility with shell invocation. If <cmd> contains shell meta-characters, it should be quoted. For simple commands with no shell metacharacters, you can just prefix the command line in the crontab file with the path to shuck: * * * * * /usr/local/bin/shuck /some/command argument1 2 3 Often times you'll have a series of commands in a single crontab entry, separated by semicolons. In this case, either quote the entire command and prefix it with the path to shuck: * * * * * /usr/local/bin/shuck 'uptime ; ps auxwf' or set the SHELL environment variable at the top of the crontab as the path to shuck, and everything will be run through shuck: SHELL=/usr/local/bin/shuck * * * * * uptime ; ps Quoting the command in this last case isn't necessary because cron passes the the entire command string to shuck as a single argument.