How To Install mksh on CentOS 8
Introduction
In this tutorial we learn how to install mksh on CentOS 8.
What is mksh
mksh is the MirBSD enhanced version of the Public Domain Korn shell (pdksh), a bourne-compatible shell which is largely similar to the original AT&T Korn shell. It includes bug fixes and feature improvements in order to produce a modern, robust shell good for interactive and especially script use, being a bourne shell replacement, pdksh successor and an alternative to the C shell.
We can use yum or dnf to install mksh on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install mksh.
Install mksh 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 mksh using dnf by running the following command:
sudo dnf -y install mksh
Install mksh 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 mksh using yum by running the following command:
sudo yum -y install mksh
How To Uninstall mksh on CentOS 8
To uninstall only the mksh package we can use the following command:
sudo dnf remove mksh
mksh Package Contents on CentOS 8
/bin/ksh
/etc/mkshrc
/etc/skel/.mkshrc
/usr/bin/lksh
/usr/bin/mksh
/usr/lib/.build-id
/usr/lib/.build-id/70
/usr/lib/.build-id/70/4dcd888ddbc6222a24d956719e4db54a128cd1
/usr/lib/.build-id/bd
/usr/lib/.build-id/bd/32a4cda2f535ef51053c40cadcf33c8637262a
/usr/share/doc/mksh
/usr/share/doc/mksh/dot.mkshrc
/usr/share/man/man1/ksh.1.gz
/usr/share/man/man1/lksh.1.gz
/usr/share/man/man1/mksh.1.gz
References
Summary
In this tutorial we learn how to install mksh on CentOS 8 using yum and dnf.