Match each term with the correct statement below.
-Labels representing command input and output.
A)hashpling
B)tee
C)environment variables
D)stdin
E)stderr
F)decision construct
G)shell scripts
H)stdout
I)file descriptors

Question

Quizplus · Accepted Answer

File descriptors are integer values that correspond to a file or input/output resource.

Answer: H 
 stdout is the standard output stream, which is the destination for normal command output.

Answer: E 
 stderr is the standard error stream, which is the destination for error messages and diagnostics.

Answer: A 
 Hashpling (#!) is a two-character combination that specifies the interpreter that should be used to execute the commands in a script.

Answer: G 
 Shell scripts are scripts that are written in a shell language (such as bash) and are used to automate command-line tasks.

Answer: C 
 Environment variables are values that are set outside of a program and can be accessed and used by the program as needed.

Answer: F 
 A decision construct is a programming structure that allows the program to make decisions based on certain conditions.

Answer: B 
 Tee is a command-line utility that reads from standard input and writes to both standard output and one or more files.

Answer: D 
 stdin is the standard input stream, which is the source of input for a command.

Match Each Term with the Correct Statement Below