How to run a shell script with different user from/with in  another shell script ? Some times it is required to run a shell script with a specific OS user from another shell script, in such cases we can call the actual shell script with following options from another shell script. Here important thing to understand is one line ... /bin/su - -c "" /bin/su : it helps to call su binary to swith user -c option tells the command to run 009:/opt # cat 1.sh #!/bin/sh echo "in one" /bin/su...