grep Hello *.txt
Looks for the word Hello in all the txt files in the current directory.
cat > omid.txt
Creates omid.txt and enteres whatever I type after that into it.
$ find . -name "*.txt" -print
<pre><span class="gp">$</span> apropos search</pre>
$ mkdir -p temp/stuff/things/frank/joe/alex/john No error if existing, make parent directories as needed - ls -lR lists all the subdirectories The pushd command takes your current directory and "pushes" it into a list for later, then it changes to another directory. It's like saying, "Save where I am, then go here."
Omid Hezaveh lives and works in Helsinki find him on twitter