# just a quick job
while true; do clear; figlet -c `date +%T`; sleep 1;done

If you need the font, it's not in every distro.
https://www.zap.org.au/projects/console-fonts-distributed/psftx-centos-7.5/drdos8x8.psfu

gzip it, change the source in the script to point to the psfu.gz

Great scripts bruxy. Much to learn about bash here.

I sometimes like to have system stats in terminal, not interfering with other operation - background this one
https://0x0.st/-Rtb.sh

You can also put system stats in the title bar of your xterm window
https://0x0.st/o7Wr.sh