# Standard variable definition 

## Package manager
###PKGM: defines package manager
Options
```
PKGM="apt" #Normal view
PKGM="debconf-apt-progress -- apt" #Whiptail view
```
Usage
```
As replacement for package manager command (example: apt)
Defining pakage manager for use in other Vars
```

###PKGI: defines command to install command (requires PKGM to be set)
Options
```
PKGI="${PKGM} install -y"
```
Usage
```
$PKGI <package name>
```


###PKGA: defines command to add repo 
Options
```
PKGA="add-apt-repository" (software-properties-common is required)
```
Usage
```
$PKGA ppa:ondrej/php -y
```

## Other
###OUTPUT: used to silence a script 
Options
```
OUTPUT='/dev/null' #Hide output
OUTPUT='/dev/tty'  #Display output
```
Usage
```
YourCommand > $OUTPUT 2>&1
```