yum ( Yellowdog Updater Modified ) - is an interactive, rpm based, package manager
To search for a package $ sudo yum search <package_name> $ sudo yum search htop
To install package $ sudo yum install <package_name> $ sudo yum install htop
To remove a package $ sudo yum remove <package_name> $ sudo yum remove bind
To update a package $ sudo yum update <package_name> $ sudo yum update firefox
To list a package $ sudo yum list <package_name> $ sudo yum list httpd
To get information about a package $ sudo yum info <package_name> $ sudo yum info openssh
To list all available packages $ sudo yum list
To list all installed packages $ sudo yum list installed
To find which package a specific file belongs to $ sudo yum provides /etc/vsftpd/vsftpd.conf
To check for available updates $ sudo yum check-update
To update the system $ sudo yum update
To list all available group packages $ sudo yum grouplist
To install group packages $ sudo yum groupinstall "Development Tools"
To update a group packages $ sudo yum groupupdate 'Development Tools'
To remove group packages $ sudo yum groupremove 'Development Tools'
To list enabled Yum repositories $ sudo yum repolist
To list all enabled and disabled Yum repositories $ sudo yum repolist all
To invoke yum shell $ sudo yum shell
info httpd
To clean Yum cache $ sudo yum clean all
To view history of Yum $ sudo yum history
To read commands from text file and execute $ cat yum_command.txt info httpd repolist
$ sudo yum shell yum_command.txt
regards, T.Dhanasekar