.YUMTX File Extension
What is a YUMTX file?
File created by Yellowdog Updater, Modified (YUM), a command-line utility for Linux operating systems, such as Fedora, CentOS, and Red Hat Enterprise Linux, that use the RPM Package Manager; contains transaction data that can be loaded at a later time to repeat a transaction.
The YUMTX files are created after every transaction, even if it's cancelled, and placed in the /tmp/ folder. The file can be helpful, as it allows you to quickly run previous transactions.