Existential question

• Last line of many a riddle
• Soul-searching question
• Last line of many riddles
• End of many an old riddle
• Twenty Questions question
• Question of identity
• Guessing game question
• Query that ends some riddles
• Question at the end of a riddle

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 ...