Unixkomento
Unixkomento refers to the instruction issued to a Unix-like operating system's shell to perform an action. In Finnish computing, Unixkomento is the term used for a Unix command. A Unixkomento generally follows the pattern: command name, optional options, and arguments. Commands can be built into the shell or external programs.
Built-in commands are provided by the shell itself (for example, changing directories or exiting a session).
Syntax and conventions: Most commands accept short options beginning with a single dash (for example, -l) and,
Input, output, and chaining: Unixkomento outputs can be redirected using >, >>, or a pipe symbol | to feed
Environment and scripting: The shell provides variables and a command history; scripts written in shell languages
Standardization: POSIX and the Single UNIX Specification define a common baseline for behavior and interfaces of
Common examples: ls, cd, pwd, cat, echo, grep, find, awk, sed, man.