Tagged Questions
6
votes
1answer
234 views
Append same text to many files using cat or echo?
How can I write the same content to many text files by using cat or echo in only one command?
For example I want to write "hello" to file1 and file2. I tried:
echo "hello" >> file1 file2
...
5
votes
2answers
1k views
Unexpected results testing serial loopback using echo and cat
So I have a standard RS232 serial port that is looped back to itself by simply running a wire from Tx to Rx. I'm testing loopback by running echo and cat in two separate terminals:
cat /dev/ttyS1
...
