In this tutorial we learn how to install ksh on Ubuntu Linux. This tutorial can be applied on any Ubuntu release including but not limited to Ubuntu 20.04, Ubuntu 18.04, and Ubuntu 16.04.
You can also apply this tutorial on any ubuntu variants like Kubuntu and Xubuntu.
Ksh (KornShell) is a UNIX shell developed by David Korn at Bell Labs in the early 80. Initially developed from bourne shell source code.
Install ksh on Ubuntu
ksh is available on Ubuntu repository. To install ksh on Ubuntu Linux we can do the following commands.
First, let’s update apt metadata using command below.
sudo apt-get update
Install ksh using command below
sudo apt-get install ksh
of course you can also use
apt instead of
apt-get to install
sudo apt install ksh
It will provide output similar to image below. Press Y to continue the installation process.
After successfully install ksh we can start using ksh by running
ksh from current shell
To check what is the running shell we can use command below
ps -p $$
It should provide output similar to output below
PID TTY TIME CMD 55113 pts/0 00:00:00 ksh
In this tutorial we learn how to install ksh on Ubuntu Linux. While ksh is not a mainstream or common shell nowadays, having ksh on your Ubuntu Linux system might be necessary to run legacy scripts built in ksh. Until then.