User configuration files and system configuration files in linux

Linux user configuration file and system configuration file linux user configuration file directory in the user directory in my ubuntu for example, my user configuration file directory is: /home/liyuanhong use the command: ls-A to view (note that this configuration file uses. is a hidden file. bashrc is my user configuration file directory of the system configuration file in linux:/etc or my ubuntu as an example: Switch cd/etc to the ls directory in the etc directory to view the file, for example: here, prifile is the system configuration file: sudo vim profile open the file, as shown below: You can see that I configured it to the java environment at the bottom. Note that in different Linux systems, the configuration file name may be different, here I only use ubuntu as an Example