LPG is produced either as a by-product of petroleum, or a by-product in the production of oil and gas, and is stored in tanks and transported by road tanker trucks or in cylinders. LPG is mainly stored in tanks in liquid form and is heavier than air.
To run your scripts, use the CScript Windows Script Host, which is included with the operating system. At the command prompt, type cscript //h:cscript. After you set CScript script host as the default at the command prompt, type the script name, and then press ENTER.
In addition to typing commands directly to the shell, you can place them in a file (which must be given execute permission), and then run the file. A file containing UNIX shell commands is known as a script (or shell script). Executing the script is equivalent to typing the commands within it.