shellprogram
nounUK /ˈʃel prəʊɡræm/
US /ˈʃel proʊɡræm/
A shell program is a small set of computer instructions that tells the computer what to do step by step.
My dad wrote a shell program to copy his photos into a folder every night.
OTHER MEANINGS
2. A program that runs inside a command-line interpreter to control other programs.
The shell program launched the backup tool automatically.
3. A simple program used to automate repeated typing tasks on a computer.
She used a shell program to rename all the files at once.
4. A small helper program that connects a user's typed commands to the computer's system.
The shell program passed each command to the operating system.