What are high memory and low memory on Linux?
I’m interested in the difference between Highmem and Lowmem:
memory
Sorting down processes by memory usage
I am able to see the list of all the processes and the memory via
How to find which processes are taking all the memory?
I’m looking for somthing like top is to CPU usage. Is there a command line argument for top that does this? Currently, my memory is so full that even ‘man top’ fails with out of memory 🙂
Which parts of an ELF executable get loaded into memory, and where?
What I already know:
Is the file table in the filesystem or in memory?
In the context of operating system control tables, does the term “file tables” refer to a data structure that is part of the filesystem, or that is in main memory (and in which case I assume it would only have references to open files)? My textbook1 says,
Making Linux read swap back into memory
The Linux kernel swaps out most pages from memory when I run an application that uses most of the 16GB of physical memory. After the application finishes, every action (typing commands, switching workspaces, opening a new web page, etc.) takes very long to complete because the relevant pages first need to be read back in from swap.
Linux inactive memory
When I fire command vmstat -s on my Linux box, I got stats as:
What happens after a page fault?
When a page fault occurs in a Linux system, the interrupt-handler has to figure out the reason why the page fault happened. But how ?
Is “Cached” memory de-facto free?
When running cat /proc/meminfo, you get these 3 values at the top:
Mathematical connection between SZ RSS and VSZ in ps o/p?
I wanted to know what mathematical connection is there between the SZ, RSS and VSZ output in ps output e.g.