Just modify the /etc/profile file.
First run the command
vim /etc/profile
to open the /etc/profile file, and then add the following two lines of code at the end of the file
PATH=$PATH:/usr/local/php56/bin export PATH
(Video tutorial recommendation:linux video tutorial)
Note: If you add multiple connections with colon (:), for example:
PATH=$PATH:/opt/remi/php73/root/bin
Finally save the file and execute Run the command
source /etc/profile
or
./profile
to make the modification effective. After execution, you can use the echo $PATH command to check whether the addition was successful.
Recommended tutorial:centos tutorial
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