From b3288dc9cd0e1bd39e0e6d41664b120ea2f2e02a Mon Sep 17 00:00:00 2001 From: alexandre medeiros Date: Sun, 22 Sep 2013 11:35:04 -0300 Subject: [PATCH] add useful commands --- bash.html.markdown | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/bash.html.markdown b/bash.html.markdown index ed93d58b..4d80545e 100644 --- a/bash.html.markdown +++ b/bash.html.markdown @@ -127,4 +127,16 @@ foo () # Calling your function foo "My name is" $NAME + +# There are a lot of useful commands you should learn: +tail -n 10 file.txt +# prints last 10 lines of file.txt +head -n 10 file.txt +# prints first 10 lines of file.txt +sort file.txt +# sort file.txt's lines +uniq -d file.txt +# report or omit repeated lines, with -d it reports them +cut -d ',' -f 1 file.txt +# prints only the first column before the ',' character ```