# Functions
Add adds a existing process and returns its PID.
Exec starts executing a command, it records its process and has default timeout.
Exec starts executing a command in given path, it records its process and timeout.
Exec starts executing a command, it records its process and timeout.
Kill kills and removes a process from list.
Remove removes a process from list.
# Variables
NOTE: could be custom in config file for default.
List of existing processes.