What characters are not allowed in filenames Linux?

Under Linux and other Unix-related systems, there are only two characters that cannot appear in the name of a file or directory, and those are NUL ‘\0’ and slash ‘/’ . The slash, of course, can appear in a pathname, separating directory components.

What characters are allowed in a filename?

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: @ $ % & \ / : *? ” ‘ < > | ~ ` # ^ + = { } [ ] ; !

Why are special characters not allowed in filenames?

Special characters, like null, are not allowed as part of a Linux, Mac, or Windows default filesystem, because the architects of the filesystem decided not to allow arbitrary characters for aesthetic reasons.

What characters are allowed in Linux filenames?

Linux / UNIX: Rules For Naming File And Directory Names

• All file names are case sensitive.
• You can use upper and lowercase letters, numbers, “.” (dot), and “_” (underscore) symbols.
• You can use other special characters such as blank space, but they are hard to use and it is better to avoid them.

Are characters illegal?

Illegal characters are letters, numbers, punctuation marks, and similar symbols not allowed or prohibited by a computer program or syntax. In the Windows® operating system (OS), for example, symbols such as a colons, brackets, and question marks are typically illegal characters for use in naming files or folders.

Is Colon allowed in filename?

A colon is an invalid character for a Windows file name. You won’t be able to allow ‘:’ in the file name, but you can work around it.

Is Colon allowed in FileName?

What is an illegal character?

illegal character: A character, or a combination of bits, that is not valid in a given system according to specified criteria, such as with respect to a specified alphabet, a particular pattern of bits, a rule of formation, or a check code.

Can filename have special characters?

In both NTFS and FAT file systems, the special file name characters are: ‘\’, ‘/’, ‘. ‘, ‘?’ , and ‘*’. On OEM code pages, these special characters are in the ASCII range of characters (0x00 through 0x7F).

Can you have colon in filename?

On Windows systems, files and directory names cannot be created with a colon (:). The colon appears as an _ (underscore) in the file name on Windows Explorer, or in the command prompt. The following characters are not supported for file or directory names on either the Linux or Windows systems: Surrogate blocks.