Share via Share via... Twitter LinkedIn Facebook Pinterest Telegram WhatsApp Yammer Reddit TeamsRecent ChangesSend via e-MailPrintPermalink × This is an old revision of the document! PHP's gd library is missing or unable to create PNG images Bash Shell Resources a few articles and tutorials on the web for learning the bash shell http://www.arachnoid.com/linux/shell_programming.html http://tldp.org/HOWTO/Bash-Prog-Intro-HOWTO.html http://www.panix.com/~elflord/unix/bash-tute.html http://www.codecoffee.com/tipsforlinux/articles2/043.html http://www.cyberciti.biz/nixcraft/linux/docs/uniqlinuxfeatures/lsst/