The Linux /proc Filesystem as a Programmers' Tool
The process filesystem provides all who make use of it with a wealth of system-level information. The ability to manipulate all manners of runtime state information by using file-level system calls and commands, such as cat(1) and echo(1), make proc a high priority candidate for inclusion in anyone's Linux toolkit.
Joshua Birnbaum began his system administration career in 1994. An addiction to SGI led to Sun and then to Linux. From there, he broadened his horizons by branching out into contract sysadmin, public speaking, UNIX/Linux systems programming and now writing for magazines. He can be reached at firstname.lastname@example.org.
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Until recently, IBM’s Power Platform was looked upon as being the system that hosted IBM’s flavor of UNIX and proprietary operating system called IBM i. These servers often are found in medium-size businesses running ERP, CRM and financials for on-premise customers. By enabling the Power platform to run the Linux OS, IBM now has positioned Power to be the platform of choice for those already running Linux that are facing scalability issues, especially customers looking at analytics, big data or cloud computing.
￼Running Linux on IBM’s Power hardware offers some obvious benefits, including improved processing speed and memory bandwidth, inherent security, and simpler deployment and management. But if you look beyond the impressive architecture, you’ll also find an open ecosystem that has given rise to a strong, innovative community, as well as an inventory of system and network management applications that really help leverage the benefits offered by running Linux on Power.Get the Guide