Begin("<context-name>")
start a new context definition
>> Begin("mytest`")
>> Context()
mytest`
>> $ContextPath
{System`,Global`}
>> End()
mytest`
>> Context()
Global`
>> $ContextPath
{System`,Global`}
Begin("<context-name>")
start a new context definition
>> Begin("mytest`")
>> Context()
mytest`
>> $ContextPath
{System`,Global`}
>> End()
mytest`
>> Context()
Global`
>> $ContextPath
{System`,Global`}