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.
1 Any shell can be used for writing a shell script. 2  To allow for this, the first line of every script is: #!/ 3 path/to/shell (e.g. #!/bin/ksh). 4  The #! characters tell the system to locate the following pathname, start it up and feed it the rest of the file as input.