Linux Learning: Environment variables

Source: Internet
Author: User

1. Environment variable File


2. Output environment variable value

Echo $PATH

3,linux:-bash: * *: Command not found, solve

To prevent the above exception, initialize the environment variable first:

1. Modify Profile: (All users)

Join: Export path= $PATH:/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
Save exit.

2. Modify the. bashrc file: (Individual users)

[[Email protected] bin]# CD

[email protected] ~]# cat. Bash_profile

#vi. Bash_profile

Join: Export path= $PATH:/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin

Save exit.

650) this.width=650; "src=" "title=" 1.jpg "alt=" Wkiol1mybjkjdpmeaab3usfbss0742.jpg "/>

Note: After the modification, to refresh: The following modified/etc/profile, refresh command: Source/etc/profile

This article is from "I Love Big gold" blog, please be sure to keep this source

Linux Learning: Environment variables

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.