On 30 April 2018 at 04:12, Antonio A. Rendina <arendina13@gmail.com> wrote: > > If you want to improve your bash skills you can read: > http://www.tldp.org/LDP/Bash-Beginners-Guide/html/ I suggest that to avoid poor and ancient, it would be better to read current documents written by active experts. http://mywiki.wooledge.org/ http://wiki.bash-hackers.org/