Execute. sh file under Linux

There are two cases of executing. sh files under Linux:

First, direct./plus file name. SH, if running hello.sh for./hello.sh "hello.sh must have x permission"

Second, direct sh plus filename. sh, such as Run hello.sh for SH hello.sh "hello.sh can have no x permission"

To illustrate:

1. Execute the SH file in the current directory:

chmod u+x hello.sh

./hello.sh

or SH hello.sh

2. Execute the SH file under the absolute path directory:

./home/test/shell/hello.sh

/home/test/shell/hello.sh

sh/home/test/shell/hello.sh

are available

Execute. sh file under Linux