2 <span class="sy0"><</span>columns 100<span class="sy0">%</span> first column attributes 50<span class="sy0">%</span> second column attributes -<span class="sy0">></span>
4 $ <span class="kw2">ls</span>
6 $ <span class="kw2">make</span>
7 <span class="kw2">g++</span> <span class="re5">-Wall</span> <span class="re5">-o</span> program program.cpp
8 .<span class="sy0">/</span>program
9 <span class="kw2">touch</span> program
11 <span class="sy0"><</span>newcolumn<span class="sy0">></span>
13 $ <span class="kw2">ls</span>
14 program program.cpp makefile
15 $ <span class="kw2">make</span>
16 .<span class="sy0">/</span>program
17 <span class="kw2">touch</span> program
19 <span class="sy0"></</span>columns<span class="sy0">></span>