Process - Command (Command line)

About

A OS command is a line of text that will create a process instance from a program (also known as image) .

Syntax

A command line is just a one line of text:

• with a path to a executable file
• and arguments

Example

Chrome command line in a bash grammar. A command line is just a one line of text

"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe" #<-- Path to executable
    --no-startup-window /prefetch:5 # <-- Argument
    --flag-switches-begin # <-- Argument
    --flag-switches-end # <-- Argument
    --enable-audio-service-sandbox # <-- Argument

Management

Input

A command accepts:

• arguments.
• as wel as standard input

Output

A command send back:

• a process exit code
• optionally a standard output if started from a terminal .

Shell

A shell is an application that permits to run command interactively.

Every shell will permit you to play with command.

See

In Process Explorer