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Shirish,

For test purposes, the easiest way to effectively reduce the amount of physical RAM available for use by processes is to crank up the kernel parameter vm.min_free_kbytes. This sets the...

An active RHEL system should be using almost all of the free physical memory for cache and buffers. Once you start doing application I/O, you'll see the memory get "used" by the OS quickly. Remember,...

The line:

echo $"Usage: $0 {start|stop|status|restart|reload|force-reload|condrestart}"


is no syntax that I recogize.

I think it's taking $" to be a variable name and considering the...

In the olden days of Wyse and VT-100 terminals and serial connections, before networks and GUIs and emails and iPads were invented, users on UNIX systems (and those old character-based terminals)...

Linux: ps -t -

Solaris: ps -e (processes without a tty show as '?')

reference: man ps