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Mastering xargs: Efficient Command Execution in Parallel

Run 5 commands at same time

seq 20 | xargs -a - -I{} -P5 bash -c 'echo {}; sleep 1"

Run 10 curl commands in Parallel via xargs

NUM="10";seq ${NUM}|time xargs -I % -n1 -P${NUM} curl -sL ifconfig.co