Bash Reference Manual. Node: Shell Commands
Shell Syntax
Basic Shell Features
Shell Functions
3.2: Shell Commands
Simple Commands
The most common type of command.
Pipelines
Connecting the input and output of several commands.
Lists
How to execute commands sequentially.
Looping Constructs
Shell commands for iterative action.
Conditional Constructs
Shell commands for conditional execution.
Command Grouping
Ways to group commands.
Shell Syntax
Basic Shell Features
Shell Functions