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Which of following tutorials would you like to see on the Linuxconfig.org?

IP Addressing and Subnetting

SendMail server configuration

Introduction to the Python programming

Configuration of the SAMBA server

Howto deploy a custom iptables firewall

Working with emacs text editor

Configuring APACHE web server

KDE programming and application development

HowTo create a Debian package

fold

1. Name

fold [man page] - wrap each input line to fit in specified width

2. Synopsis

fold [OPTION]... [FILE]...

-w, --width=WIDTH
      use WIDTH columns instead of 80

fold file to width of 3 characters:

fold -3 commands.txt