Amnesiac's question?

• End of many a riddle
• Last line of many riddles
• Question of identity
• Guessing game question
• Amnesiac's query
• Twenty Questions question
• Question at the end of a riddle
• Existential question
• Soul-searching question

Wikipedia Word definitions in Wikipedia
In computing , '''whoami''' is a command found on most Unix-like operating systems, Windows Vista , Windows 7 , Windows 8 , Windows Server 2003 , and Windows Server 2008 . It is a concatenation of the words "Who am I?" and prints the effective username ...