chmod +x +filename
Note: The plus sign in front of x cannot be omitted, and the plus sign in front of the file name can be omitted
./ + file name (the file name must be a (green) executable file) to execute the file in the current directory
chmod +x +filename
Note: The plus sign in front of x cannot be omitted, and the plus sign in front of the file name can be omitted
./ + file name (the file name must be a (green) executable file) to execute the file in the current directory