run sh file

C++
chmod +x <fileName>
./fileName.  # or use ->. bash fileName./yourscript.sh
include 
#!/bin/bash (1st line inside yourfile.sh)

to run
./yourfile.sh

if you do not include that line
bash yourfile.sh./file.sh./script-name-here.sh #Chage the "script-name-here" to the name of the .sh file.sh yourfile.sh
Source

Also in C++: