A: 4K â also known as UHD (more on this in the next answer!) â is a picture technology that quadruples the number of pixels found in a full HD picture. These pixels are usually arranged in a 3,840 x 2,160 configuration, compared with the 1920x1080 you get in a full HD TV.
A file with the 7Z file extension is a 7-Zip Compressed file. Other types of files may also use the 7Z file extension. If you know of any additional file formats that use the .7Z extension, please let me know so I can update this information.
1 Change the directory to where your .gz file currently resides. 2  If you saved it to the Desktop, for example, enter at the [] cursor: cd /Users/Yourname/Desktop. 3  Terminal should respond by creating a new line that says Macintosh:Desktop Yourname$ []. 4  Enter gunzip-d and the name of the file, including the extension.t was adopted by the GNU project, and is a popular compression format on the Internet. You can unzip .gz files in Windows XP, Vista, 7, and Mac OS X by using unzipping software that supports the file extension.