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Aleichem Shalom has written:
'Kleine menshelekh mit kleine hashagot'
'Ausgeweilte shriften'
it is the response to greeting "shalom aleichem" and it means "peace unto you."
If you're referring to the poem Shalom Aleichem, it's attributed to Rabbis from Safed and was written at the end of the 17th century.
During Sabbath
In what language? Hebrew is "Shalom aleichem."