In the directory where the source file resides,

1. Run the make command.
2. Run ./ssh to start the shell.
3. Enter exit to exit the shell.

• Maximum possible length of command input is 1024.

• Maximum number of background processes that can be run across one session = 1024.

• The print statements informing the user about the status of background processes may overlap with input prompt or user input. This does not affect the functionality.

• When background process is called its pid is printed after one prompt

• Assuming hidden files are not expected as an output of discover

• If cd - is run before any change of directory, that is, there is no previous directory, we change the directory to ~

• Assuming that no file named history.txt in the home folder is not in use by the user or any other process. The contents of this file will be modified.

• Number of commands history outputs is 20.