This is a quick and dirty AWK tutorial demonstrating the most common usages and features that one can use on a daily basis.  Three variants: AWK standalone, integrated into ksh, and one-liner are provided. 
 
On my system, AWK pointed to GAWK.  GAWK has an expanded command set but here we will only focus on specific [...]

Just happened to have forgotten a password for one of my user accounts on my workstation and remembered a handy little thing one can do to reset a pass.
If you have root access, one can simply regenerate the MD5 hash with: