Accepting responsibility and hold themselves and others accountable is among the primary qualities of a good boss.
Secondly, the good bosses are not full of surprises. One of the simple facts of management is that everyone's got issues, some more than others.
Thirdly, the best managers are good troubleshooting and problem solving.
Fourthly, they have a good understanding of all the key aspects of business they are in, whether it is understanding the products, technology, market share, sales channels, or how to read an income statement.
Fifthly, a good boss always manages to find a way to get the job done.
Sixthly, they manage up and sideways communications effectively. They know how to communicate and work effectively with their superiors and subordinates, and how to give them what they need to become successful and get the same in return.
Seventhly, the best bosses are really good decision-makers.
Eighthly, the good managers are effective, not productive.
Ninthly, they live for their jobs, like to be engaged, empowered, driven, and motivated.
Lastly, people who become the best bosses have a sense of humour, humility, and empathy.