When you need to work with columns of data or execute a little bit of code for each line matching a pattern, use awk. awk programs are pattern-action pairs. While some awk programs are complicated enough to require a separate file containing the program,
lsof is the Linux/Unix über-tool. I use it most for getting network connection related information from a system, but that's just the beginning for this amazing and little-known application. The tool is aptly called lsof because it "lists open files". An
This standard consists of a set of requirements and guidelines for file and directory placement under UNIX-like operating systems. The guidelines are intended to support interoperability of applications, system administration tools, development tools, and
The FHS defines the /usr/local as the “tertiary hierarchy for local data installed by the system administrator.” Translated into English, this means put apps you build yourself here. Think of /usr/local as a “safe haven” for command-line, open sou