Additive color mixing begins with black and ends with white; as more color is added, the result is lighter and tends to white. The RGB colors are light primaries and colors are created with light. Percentages of red, green, & blue light are used to generate color on a computer screen.
In shell scripting we often need to check if file or directory exists and take appropriate action. This post show you how to check it and how this check use in your script. For checking we will use file test operators -f for file and -d for directory, which return TRUE if file or directory exists. And here is output of the script.
This is of course at the start of the file. ASCII value for the uppercase letter L. This is used to identify a valid shell link file. composed of bytes in the file. the file format and this will be used to indicate which version to use. The next item is a long integer which consists of a number of flags.