updated notes

2025-02-18 18:23:21 -06:00
parent 006cc41944
commit af8f1729ea
1 changed files with 8 additions and 0 deletions
@@ -714,4 +714,12 @@ sudo dnf group remove "Development Tools" # Remove the Development Tools group
 sudo dnf history # Display the history of the packages
 sudo dnf history undo 1 # Undo the last package installation
 sudo less /var/log/dnf.rpm.log # Display the dnf log
+```
+
+### dd 
+> Note: dd is used to copy and convert files and is used to create disk images.
+```bash
+sudo dd if=/dev/sr0 of=/optical-rhel.iso bs=1M # Create an ISO image of the optical drive
+
+sudo dd if=/dev/sr0 of=/optical-rhel.iso bs=1M status=progress # Create an ISO image of the optical drive with progress
 ```