Shell Fundamentals
The power of linux comes from the shell and its commands. Mastery of the shell requires a fundamental understanding of how inputs, outputs, and errors work when using commands.
Inputs
You can provide input
1. From your keyboard --> Standard Input.
2. From a file --> Redirecting Standard Input
Outputs
The output can be
1. Printed onto your terminal --> Standard Output
2. Written to a file --> Redirecting Standard Output
Errors
Errors can be
1. Printed onto your terminal --> Standard Error
2. Written to a file --> Redirecting Standard Error
Links
See next --> String Commands Together