How execute able files are identifies in unix and linux operating system?

Question

what would be the extionsion

Answer 1

Linux is not windows - files are not identified by their extension although there sometimes is an unofficial naming standard for files

(like .pl for perl scripts or .bin for binary files)

Linux is far more sophisticated than that.

You could rename an executable file and that would not make it unexecutable.

Executable binary files are identified by their 'magic' which is the first few bytes of the file.

If you use the file command like this : file <filename> it will look at the fil magic and let you know wht type of file it is

Answer 2

Linux is not windows  - files are not identified by their extension although there sometimes is an unofficial naming standard for files

(like .pl for perl scripts or .bin for binary files)

Linux is far more sophisticated than that.

You could rename an executable file and that would not make it unexecutable.

Executable binary files are identified by their 'magic' which is the first few bytes of the file.

If you use the file command like this : file <filename> it will look at the fil magic and let you know wht type of file it is

Answer 3

In unix they are called .elf format or .pe format

Deeda

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