# Unix Shell Terminal

This program implements Unix style shell commands in C++ through the use of Unix syscalls.

## Commands

Print or clear command history
```bash
history [-c]
```


Print current directory
```bash
whereami
```


Change to specified directory
```bash
movetodir dir
```


Exit program
```bash
byebye
```


Rerun commmand at specified index
```bash
replay num
```


Start the program at the specified path; terminal waits for program termination
```bash
start program [parameters]
```


Start the program at the specified path; terminal continues processing
```bash
background program [parameters]
```


Terminate the program with the specified PID
```bash
dalek PID
```


Terminate all programs that were started by the shell
```bash
dalekall
```


Repeat the specified command n times
```bash
repeat n command
```