Specifying a shell for a script file

Online Bash Script Tester shell script Shell accepts human-readable commands from users and converts them into something which the kernel can understand It is a command language garena shell In Terminal on your Mac, use shell scripts to save time when executing common command sequences

shell script commandshell script This value is know as Exit Status of that command To determine this exit Status we use $? variable of shell For eg $ rm unknow1file