pfetch:tldr:5ea44

This command sets the variable PF_COLOR to the value ${0} and then executes the command pfetch.

• PF_COLOR=${0}: This assigns the value ${0} to the variable PF_COLOR. ${0} is a special variable in Unix-like systems that represents the name of the currently running script or command. So, the value of PF_COLOR will be set to the name of the script or command that is running this command.
• pfetch: This is a command that typically retrieves system information and displays it in a formatted manner. It can show details like the operating system, CPU, memory, and other system-related information. By executing pfetch, the system information will be displayed on the terminal. The output format may vary depending on the specific configuration and version of pfetch.