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.
2) See if a System Restore helps you. 3) Open command prompt as admin and Run sfc /scannow. 4) Back up your Windows Registry first, and then open regedit and navigate to the following : HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon. In Winlogon, on the right side, you should notice a value called â Shell â.In the RHS Pane, ensure that the default string value of: Shell is explorer.exe.) Back up your Windows Registry first, and then open regedit and navigate to the following : HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon. In Winlogon, on the right side, you should notice a value called â Shell â. In the RHS Pane, ensure that the default string value of: Shell is explorer.exe.