I remember that book explain the command, what the purpose of the command was, the typical scenario for why you would need such command.
It explained the options. No silly explanation like "-sort" sorts the output.
It explained the return values also in detail.
Explained the errors also in detail and what might cause the error.
Most functions today are "explained" by reordering the words in the function name: "canUpdate()" returns true if $x can update.
I remember that book explain the command, what the purpose of the command was, the typical scenario for why you would need such command.
It explained the options. No silly explanation like "-sort" sorts the output.
It explained the return values also in detail.
Explained the errors also in detail and what might cause the error.
Most functions today are "explained" by reordering the words in the function name: "canUpdate()" returns true if $x can update.