Operating Systems
Command
Definition
A command is a directive to a computer program to perform a specific task. It is most often issued via a command-line interface, such as a shell.
Why It Matters
Commands are the fundamental way to interact with a command-line interface. Mastering them allows for powerful and efficient control over the operating system.
Contextual Example
In a Linux shell, the command `ls -la` is a directive to run the `ls` program with the `-l` and `-a` options (or flags) to display a detailed list of all files in the current directory.
Common Misunderstandings
- A command is typically the name of an executable file.
- Arguments and options can be passed to a command to modify its behavior.