Extension
Yes, file names can contain up to 255 characters in most modern file systems, such as NTFS used by Windows and ext4 used by Linux. However, this limit may vary depending on the specific file system and operating system in use. Additionally, file names cannot include certain reserved characters, such as slashes or colons, which can affect their actual usable length. Always check the specific guidelines of the file system you are working with for any additional restrictions.
a file name can contain any type of character, it can be start from any character,number& can start with symbol also.
Enclose the filename in double quotes
Any file name can not contain /, \, *, ?, :, |, ", < or >..
Yes
yes
A file cannot (in general) contain other files or folders in the traditional sense. A zip or other archive file can contain other files or folders and a document file can have a file in it as an embedded object, but these are special applications.
In alphabetizing, "the" is almost always left out. It would be under "S."
.txt, or a text file can always be opened by an application.
Limewire doesn't always give your computer viruses. You would get a virus from Limewire if you downloaded a file with a virus in it. But if you use Limewire, you need to be really careful. A lot of Limewire's files contain viruses. Not every single one of them, but a lot of them contain a virus.
The simple answer is that Unix does not use extensions for program associations. Everything in Unix is a file, whether it is a device, a data file, or a program. In Unix it is controlled by permissions, primarily the execute permission.Also, by checking the first block of a file for its content we can determine what program to use with a file (usually in a graphical mode).
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