What does G mean in Unix?

Learn unix . unix is a powerful. Replacing all the occurrence of the pattern in a line : The substitute flag /g (global replacement) specifies the sed command to replace all the occurrences of the string in the line.

What is G in bash?

It’s a wildcard file name, *G* simply means any number of characters (zero or more) followed by G followed by any number of characters. In other words, any file name with a G in it.