To Preview in Sandbox while developing use
hs watch --account=one_sandbox . PORTAL_Clean_Child --remove
To Preview in Production while developing use
hs watch --account=one_production . PORTAL_Clean_Child --remove
To Upload to Sandbox use
hs upload --account=one_sandbox . PORTAL_Clean_Child
To Upload to Production use
hs upload --account=one_production . PORTAL_Clean_Child