How to execute a shell script

There are 3 ways to execute the shell script:

1. Bash xxxxx.sh or SH xxxxx.sh (recommended)

2. Path/xxxxx.sh or./xxxxx.sh (Execute script under current path)

3. SOURCE xxxxx.sh or. Xxxxx.sh (there is a space behind the dot.) This way you can put the value of your shell variable

Passed to the parent shell for use).

The first is when the shell script does not have permission to execute;

The second way, when chmod o+x xxxxx.sh or chmod 755 xxxxx.sh gives the shell script permission to execute

, you can use the second method.

How to execute a shell script