linux - why inotifywait command shows multiple pids? -


i created 1 bash script named "quicktest.sh". task of script set inotifywait on data folder users home directory.
code of quicktest.sh down below: 

function inotify_data()  {   user="$1"   if [ -d /home/$user/data ];       while read -r  path action file;                  echo "the file '$file' created"          chmod 0777 -r /home/$user/data   done < <(exec inotifywait -m -r /home/$user/data  -e moved_to -e create -e modify)   fi   }   cd /home/   ls >/tmp/.grp    i=1   n=`wc -l </tmp/.grp`    while [ "$i" -le "$n" ]           user=`awk "nr==$i" /tmp/.grp`        echo "setting watch on $user data folder."        inotify_data "$user" &        i=$((i+1))   done

i have 2 users in machine, after running script, run "ps -ef | grep -i quicktest.sh" , shows 2 process of file.


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