Linux – htop res & virt colors

colorhtoplinux

I did some googling about htop, I found this and this.
But I couldn't seem to find what the red color of virt and res means.
As you can see in the screenshot, some are whitish and other are red.
Does it simply means allot of memory used or is it something else?

Best Answer

The red color indicates that the amount of VIRT or RES memory is in the area of gigabytes. The light blue color corresponds to megabytes, and therefore white color means kilobytes.

This is, that the users has instantly a visual information, if he searches for processes, which consume a lot of memory. Notice that, the nice values (NI) are also red, when they differ from 0 for the same reason as above.

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Linux – Globally Coloring the Terminal by Regex

Short version is: why, yes, you can pipe output from the shell, like any other program.

From there, you can use whatever you like, like, say

$ bash | sed "$(echo -e "s@dog@\e[31mdog\e[0m@g; s@more here@more here@g;")"

Thought I'd add my 'rainbow'. Enjoy:

for((b=0;$b<8;b++)); do echo -ne "\e[4${b}m4$b : "; \
  for((f=0;$f<8;f++)); do echo -ne "\e[3${f}m3${f}"; done; echo -e "\e[0m"; done

Linux – What exactly do the colors in htop status bars mean

Hitting F1 or h will show you the key. But for reference, the default colors are:

CPU:

Blue = Low priority threads
Green = Normal priority threads
Red = Kernel threads

Memory:

Green = Used memory
Blue = Buffers
Yellow/Orange = Cache

There are a couple of different color-schemes available, you can see them through hitting F2.

Best Answer

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Linux – Globally Coloring the Terminal by Regex

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