random technical notes

$ sudo apt update
$ sudo apt upgrade

REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings" /v ProxyServer /d "http=proxy-url:port;https=proxy-url:port;ftp=proxy-url:port;socks=proxy-url:port;" /t REG_SZ /f

source

• An A-Z Index of the Windows CMD command line
• (DOS) commands and their usage in batch files
• Windows Console (cmd) Tips
• Change the colors of the Windows console

• Use PUSHD / POPD to change directories
• Call FTP scripts
• Read from the registry
• Run SQL Commands
• Check if a file or folder exists
• Pause execution for a number of seconds
• Use defaults for optional parameters
• Process each file matching a pattern in a directory
• Use batch parameter expansion to avoid parsing file or directory info

Link

More:

• Batch files. for DOS, OS/2, Windows 95/98, NT 4, 2000 and XP
• How can be checked the size of a file in a Windows batch script?