Open a shell and create a new bash file in your favorite editor:
#!/bin/sh# Let's run a command and send all of the output to /dev/nullecho "No output?"ls ~/fakefile.txt > /dev/null 2>&1# Retrieve output from a piped command echo "part 1"HISTORY_TEXT=`cat ~/.bashrc | grep HIST`echo "${HISTORY_TEXT}"# Output the results to history.configecho "part 2"echo "${HISTORY_TEXT}" > "history.config"# Re-direct history.config as input to the cat commandcat < history.config# Append a string to history.configecho "MY_VAR=1" >> history.configecho "part 3 - using Tee"# Neato.txt will contain the same information as the consolels -la ~/fakefile.txt ~/ 2>&1 | tee neato.txt
First, ls is a way of producing an error and, instead ...
