Command Data Flows & Redirecting Standard Output Flashcards
1
Q
what is standard input’s default link?
A
Keyboard
2
Q
what is standard output’s default link?
A
Terminal
3
Q
what are the two input options for a command?
A
standard input and command arguments
4
Q
when referencing command inputs and outputs.
how many data flow options are there and what are they?
A
3 data flows.
standard input
standard output
standard error
5
Q
what is the processing of piping
A
linking the output of one command to the input of another’s
6
Q
what is a different term of piping
A
concatenation
7
Q
what number values represent:
standard input
standard output
standard error
A
standard input = 0
standard output = 1
standard error = 2
8
Q
command for redirecting or concatenating a data-flow
A
cat 1> destination.txt
1,2 and 3 are interchangeable depending on which data-flow you intend to redirect
