How To Install ksh on CentOS 8
Introduction
In this tutorial we learn how to install ksh on CentOS 8.
What is ksh
KSH-93 is the most recent version of the KornShell by David Korn of AT&T Bell Laboratories. KornShell is a shell programming language, which is upward compatible with “sh” (the Bourne Shell).
We can use yum or dnf to install ksh on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install ksh.
Install ksh on CentOS 8 Using dnf
Update yum database with dnf using the following command.
sudo dnf makecache --refresh
The output should look something like this:
CentOS Linux 8 - AppStream 43 kB/s | 4.3 kB 00:00
CentOS Linux 8 - BaseOS 65 kB/s | 3.9 kB 00:00
CentOS Linux 8 - ContinuousRelease 43 kB/s | 3.0 kB 00:00
CentOS Linux 8 - Extras 23 kB/s | 1.5 kB 00:00
CentOS Linux 8 - FastTrack 40 kB/s | 3.0 kB 00:00
CentOS Linux 8 - HighAvailability 36 kB/s | 3.9 kB 00:00
CentOS Linux 8 - Plus 24 kB/s | 1.5 kB 00:00
CentOS Linux 8 - PowerTools 50 kB/s | 4.3 kB 00:00
Extra Packages for Enterprise Linux Modular 8 - x86_64 13 kB/s | 9.2 kB 00:00
Extra Packages for Enterprise Linux 8 - x86_64 24 kB/s | 8.5 kB 00:00
Metadata cache created.
After updating yum database, We can install ksh using dnf by running the following command:
sudo dnf -y install ksh
Install ksh on CentOS 8 Using yum
Update yum database with yum using the following command.
sudo yum makecache --refresh
The output should look something like this:
CentOS Linux 8 - AppStream 43 kB/s | 4.3 kB 00:00
CentOS Linux 8 - BaseOS 65 kB/s | 3.9 kB 00:00
CentOS Linux 8 - ContinuousRelease 43 kB/s | 3.0 kB 00:00
CentOS Linux 8 - Extras 23 kB/s | 1.5 kB 00:00
CentOS Linux 8 - FastTrack 40 kB/s | 3.0 kB 00:00
CentOS Linux 8 - HighAvailability 36 kB/s | 3.9 kB 00:00
CentOS Linux 8 - Plus 24 kB/s | 1.5 kB 00:00
CentOS Linux 8 - PowerTools 50 kB/s | 4.3 kB 00:00
Extra Packages for Enterprise Linux Modular 8 - x86_64 13 kB/s | 9.2 kB 00:00
Extra Packages for Enterprise Linux 8 - x86_64 24 kB/s | 8.5 kB 00:00
Metadata cache created.
After updating yum database, We can install ksh using yum by running the following command:
sudo yum -y install ksh
How To Uninstall ksh on CentOS 8
To uninstall only the ksh package we can use the following command:
sudo dnf remove ksh
ksh Package Contents on CentOS 8
/etc/binfmt.d/kshcomp.conf
/etc/kshrc
/etc/skel/.kshrc
/usr/bin/ksh
/usr/bin/ksh93
/usr/bin/rksh
/usr/bin/shcomp
/usr/lib/.build-id
/usr/lib/.build-id/43
/usr/lib/.build-id/43/69683e5c79cdef6bea4081cd07054187d4424b
/usr/lib/.build-id/d3
/usr/lib/.build-id/d3/0a32b3436565613bbdfa91d49474eda328cacb
/usr/share/doc/ksh
/usr/share/doc/ksh/COMPATIBILITY
/usr/share/doc/ksh/RELEASE
/usr/share/doc/ksh/TYPES
/usr/share/man/man1/ksh.1.gz
/usr/share/man/man1/ksh93.1.gz
References
Summary
In this tutorial we learn how to install ksh on CentOS 8 using yum and dnf.