SYSTEMS PROGRAMMING OVERVIEW
QUESTIONS AND ANSWERS
& - ANSWER-bitwise AND
| - ANSWER-bitwise OR
^ - ANSWER-bitwise XOR
~ - ANSWER-1's complement
<< - ANSWER-shift left
>> - ANSWER-shift right
What is a Lunix command? - ANSWER-An executable program
What are Linux commands separated by? - ANSWER-;
What do you put before a command name if it exists in the current directory? -
ANSWER-./
What are optional switches preceded by? - ANSWER-- or --
What are arguments? - ANSWER-Optional data being used or manipulated such as the
filename
Standed linux files - ANSWER-stdin, stdout, stderr
What are examples of application software? - ANSWER-Word processors, database
programs, spreadsheets, etc.
What is system software? - ANSWER-Supports the operation of the computer, which
includes interfacing between the hardware and application software
Supported file and directory permission groups - ANSWER-User (u), Group (g), Others
(o)
Supported permission types - ANSWER-Read (r), Write (w), Execute (x)