I was working through a tutorial and saw use of both cat myfile.txt and cat < myfile.txt. Is there a difference between these two sequences of commands? It seems both print the contents of a file to the shell.
With a netcat listener like:
Can somebody explain what is going on in this command:
This does not make sense to me.
The use of the word duplication seems a little strange to me in
this context. Perhaps that is throwing me.
3.1.1 Shell Operation
If several redirections are used together, does changing their order make difference?
Studying TLDP’s Advanced Bash-Scripting Guide I am unable to reconstruct the following shell output in bash 4.4.12 in debian 9, both from tty and pts:
I wanted to know if there is any way of reading from two input files in a nested while loop one line at a time. For example, lets say I have two files FileA and FileB.
I could use the either form to execute the cat method: