How to execute script in centos

Method 1: Switch to the directory where the shell script is located (at this time, called the working directory) and execute the shell script

cd /data/shell
./hello.sh

Method 2: Go with the absolute path Execute bash shell script

/data/shell/hello.sh

Method 3: Use bash or sh directly to execute bash shell script

cd /data/shell
bash hello.sh

or

cd /data/shell
sh hello.sh

Method 4: Execute bash in the current shell environment shell script

cd /data/shell
. hello.sh

or

cd /data/shell
source hello.sh

Recommended tutorial: centos tutorial

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