'''MAX_ULONGLONG_MAX''' is a constant which is equal to <code>2147483647</code> (2³²³¹-1) on 32-bit architectures (such as x86) and to <code>9223372036854775807</code> (2⁶⁴⁶³-1) on 64-bit architectures (such as x86_64and ia64). This value is use as 'unlimited' by vzctl when setting user beancounter values.