cat and pipe vs. redirection
87278
How is this command legal? "> file1 < file2 cat"
23204
How to run a command that involves redirecting or piping with sudo?
88499
Using data read from a pipe instead than from a file in command options
110160
Redirection to file does not work properly
10901
How to send stderr to stdout with a pipe to another command?
16405
What is the purpose of using a FIFO vs a temporary file or a pipe?
100891
How to stop redirection in bash
48276
Understanding how inputs are sent to pipes in Bash
31130
Reproduce the Unix cat command in Python
34802
IO redirection and the head command
54180
Can popen() make bidirectional pipes like pipe() + fork()?
154407
What does a "< <(...)" redirection mean?
44419
How do I use redirection with sudo
121040
Output redirection and spaces
74090
$_ vs !$. Last argument of the preceding command and output redirection
17575
Why (and how) did using cat on binary files mess up the terminal?
119739
Process substitution and cat: can't read stdin