**20. '':'' Command** Purpose: command : issued with multiple commands separated by semi-colon runs each command one by one. Status:Implemented Syntax: : command_1;command_2;.....;command_n Comments: Any number of commands may be passes to the : command. Shell commands passed with ! command are not executed.Like, :!ls will fail to run. Example: gnucap>: ver Gnucap Version: 2009.12.07 RCS 26.136 gnucap>: ver;echo "Hello World!" Gnucap Version: 2009.12.07 RCS 26.136 Hello World! gnucap>: strcmp "Hello" Hello;def f;shell flag=0 >x^2+y^2 itsrishre@rishabh-laptop:~$exit gnucap>