How do you read top memory usage?

How do you read top memory usage?

Viewing memory usage in top Hit Shift+M to see the list sorted by memory usage. Your display may look slightly different than this example from a running Fedora Workstation: There are three columns showing memory usage to examine: VIRT, RES, and SHR.

How do you sort top output?

By default, top sorts its entries by the CPU usage. You can change that by pressing M to sort by memory usage. To reverse sort your output, press R. To return to sorting by CPU, press P.

How do you scroll down in Htop?

Down, Alt-j Scroll the list if necessary.

How do I get to the top in Linux?

To go top of the file there are the following ways: press ESC

1. press 1G (Capital G)
2. press g g (small g) or 1 g g.
3. You can jump to the particular line number,e.g wanted to go 1 line number, press 1 + G.

Why would you use the top command on a server?

top command is used to show the Linux processes. It provides a dynamic real-time view of the running system. Usually, this command shows the summary information of the system and the list of processes or threads which are currently managed by the Linux Kernel.

How to sort by memory usage in terminal?

press shift + m after running the top command or you can interactively choose which column to sort on press Shift + f to enter the interactive menu press the up or down arrow until the %MEM choice is highlighted

How to find top 15 processes by memory usage?

To display the top 15 processes sorted by memory use in descending order, do: As opposed to the previous tip, here you have to use +%MEM (note the plus sign) to sort the output in descending order:

Which is better top or htopis for memory management?

But htopis a lot nicer and doesn’t even consume more memory than top (however it’s not part of the basic toolset so you might not have it installed). – Gilles ‘SO- stop being evil’

How to find out who is using shared memory?

Use the ipcs -m command to list the use: The shared memory used by lots of applications like DB2 and Oracle – check the SEGSZ for the size. The Owner column usually tells you what it is used for like the Oracle user for the SGA or db2inst1 for the DB2 buffer cache.