Yes they can. You can attach any file.
To block potentially dangerous email attachments from ever getting to your computer.
Executable means that the file has a series of instructions used to execute a program. Non-executable files are ones that do not have these instructions.
Executable files usually contain a header, which identifies it as an executable file, and a list of commands to be executed by the processor.
In general you do not. Nearly all executable files are coded in a computer programming language, and then compiled into executable files. So to modify an executable, you would need the source code for the program, you would modify the source code and then recompile into a NEW version of the executable. Linux does provide for an executable script file, but these are more scripts than executable files.
I believe you are referring to attachments? They are computer files which is sent along with an e-mail message. The file is not a separate message, but now it is almost universally sent as part of the message to which it is attached.
difference between executable file and non-executable file in dos
They're .exe files
The main Excel program file (excel.exe) is an executable file, but the workbooks it creates are not executable files.
The System Center Configuration Manager (SCCM) task that collects the list of executable files and their details from the client system is known as the "Software Inventory" task. This task scans the client for installed software and gathers information about executable files, including file names, versions, and installation paths. The collected data is then sent to the SCCM database for reporting and management purposes.
Complete folders cannot be sent directly through Gmail. Only files can be sent as attachments. You can compress it into a zip file and then can send it.
There are some kinds of files which can be executed in windows :.EXE : executable programs.com : System booter.bat : batch file is a list of executable files which will be executed when the .bat file is called
Executable flash files can be run on any windows file system.