Why are there different types of file formats?

Both of these formats encode static (as opposed to animated) bitmap images. In a bitmap image, the image file has to define the exact color of every pixel in the image. That would be a huge image file, so both the GIF and JPG formats compress the image in different ways.

What is a valid file name?

Supported characters for a file name are letters, numbers, spaces, and ( ) _ – , . *Please note file names should be limited to 100 characters. Characters that are NOT supported include, but are not limited to: @ $ % & \ / : * ?

How many parts does a filename have?

two parts

What are five parts of a hand file?

Parts of a File

File Terminology:
Back: The convex side of a half-round or other similarly shaped file.
Edge and Safe Edge: The side surfaces of a file; may be smooth (safe edge) or have teeth.
Handle: A holder into which the tang of the file fits.
Pinning: Filings wedged between the file teeth.

Is allowed in filename?

Windows (FAT32, NTFS): Any Unicode except NUL , \ , / , : , * , ” , < , > , | . Also, no space character at the start or end, and no period at the end. Mac(HFS, HFS+): Any valid Unicode except : or / Linux(ext[2-4]): Any byte except NUL or /

What Cannot be used to start the name of a file?

Don’t start or end your filename with a space, period, hyphen, or underline. Keep your filenames to a reasonable length and be sure they are under 31 characters. Most operating systems are case sensitive; always use lowercase. Avoid using spaces and underscores; use a hyphen instead.

Can you use periods in file names?

Your file names can contain apostrophes, dashes, underscores, and commas, but it is much easier to remember the rules if you use only letters and/or numbers, and avoid all punctuation. You can even use periods, but you should not put periods near the end of the file name, within the last 4 characters.

What makes a filename invalid?

Windows also has several length restrictions; a filename valid in one folder may become invalid if moved to another folder. The rules for naming files and folders are on the Microsoft docs.