Use `history` to view command history

`history`{{execute T2}}

## Usage

`history -h`{{execute T2}}

```bash
[arthas@48]$ history -h
 USAGE:
   history [-c] [-h] [n]

 SUMMARY:
   Display command history

 EXAMPLES:
   history
   history -c
   history 5

 OPTIONS:
 -c, --clear                          clear history
 -h, --help                           this help
 <n>                                  how many history commands to display
```

## Set number of history commands to display

`history 5`{{execute T2}}

## Clear history

`history -c`{{execute T2}}