How to generate random ascii art in shell: wget -qO - http://www.asciiartfarts.com/random.cgi | sed -n '/<pre>/,/<\/pre>/p' | sed -n '/<table*/,/<\/table>/p' |…

http://www.gnu.org/software/bash/manual/html_node/Searching.htmlTo search backward in the history for a particular string, type C-r. Typing C-s searches forward through the history…

OR $ grep "1\|2" 1.txt 1 2 $ grep -E "1|2" 1.txt 1 2 grep -E "^1$|2" 1.txt 1 2 grep -e 1 -e 2 1.txt 1 2 egrep "1|2" 1.txt 1 2 AND grep -E '1.*2' 2.txt 1 2 grep '1' 2.txt | grep '2'…

With AWK:  awk '{ sub("\r$", ""); print }' windows.txt > unix.txt awk 'sub("$", "\r")' unix.txt > windows.txt With TR tr -d '\15\32' < winfile.txt > unixfile.txt &nbsp…

:~ ${HOSTNAME}$ cd Library/Application\ Support/Skype/${USERNAME}/ sqlite3 main.db sqlite> select * from messages sqlite> delete from messages where id > 2904; sqlite>…

dism /online /get-features DISM.EXE /enable-feature /online /featureName:IIS-WebServerRole;IIS-ASP;IIS-FTPserver;IIS-FTPsrv DISM.EXE /enable-feature /online /featureName:IIS-ASP DI…

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How to add additional OS X Mavericks Dictionaries from Star Dict Format: This Material is still Draft, i’ll upload some more details later Things that you should get first: 1. Star…

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setx M2_HOME "C:\AutoTest\Opt\apache-maven-2.2.1" setx ENV AUTO1 setx JAVA_HOME "C:\AutoTest\Opt\jdk1.6.0_32x64" setx JAVA_OPTS "-Xmx1024M -Xms512M -XX:MaxPermSize512M" setx CATALI…