Which of the following characters can be combined with a separator string in order to read from the current input source until the separator string, which is on a separate line and without any trailing spaces, is reached?
A
<<
Correta
B
<|
C
!<
D
&<
Explicação Oficial / Explicações da Comunidade
The << operator is used in shell scripting for here-documents. It allows reading from the current input source until a specified delimiter string is encountered on a line by itself, with no trailing spaces. This is commonly used to provide multi-line input to commands.
