Ubuntu basic commands, used very often.
Some Linux commands are very similar to Windows one.
I list them here for reference.
The cd command will allow you to change directories
The ls command will show you the files in your current directory.
Make a copy of a file for you.
The mkdir command will allow you to create directories.
Remove the directory
The df command displays filesystem disk space usage for all mounted partitions.
The du command displays the disk usage for a directory.
rm -rf \abc
Delete folder \abc, including all sub-folders and files under it.
The mv command will move a file to a different location or will rename a file.
some other used ofter commands
tar xvfz 12345.tar
sudo nano .\abcd.cf
Edit .\abcd.cf in a nano text editor.