I recommend leaving the Dock visible because it lets you see which applications are currently active, but it's really a matter of personal preference.
Ekwadoro m ịhapụ Nkịtị ahụ n'ihi na ọ na-ahapụ gị ka ị hụ nke ngwa dị ugbu a, ma ọ bụ n'ezie ihe gbasara nhọrọ onwe onye.