Usage:
Run "make" (without quotes) to make a MakeFile
Then implement the C-based shell by ./shell
cd , pwd , echo , pinfo , exit are buitlin commands.
Other commands are executed as the system commands.
Background process implemented.
Usage: <command_name>& or <command_name> [arguments] & or <command_name> bg
- nightswatch
Usage: nightswatch [options] <command>
Options: -n <seconds>: Time interval to execute command periodically
Commands:
1. interrupt: output the number of times that particular CPU has been interrupted by the keyboard controller
2. dirty: print size of dirty memory