Debian does not have all the packages installed. you can install needful manually as per need using below commands.
sudo apt-get update
sudo apt-get upgrade
--------- or -----------
sudo apt update
sudo apt upgradeBelow are examples:
Curl
To install curls, type the following command in the terminal.
sudo apt-get update
And:
sudo apt install curl
Bash
To install Bash, type the following command:
sudo apt-get update
And:
sudo apt-get -y install bash