Linux Basics: Linux Guide To Learn Linux Commands And Linux Coding (1HourToStart) by Landy Steven
Author:Landy, Steven [Landy, Steven]
Language: eng
Format: epub
Published: 2020-08-20T16:00:00+00:00
On top of the table reported you would have the values COMMAND, PID, TID, USER, FD, TYPE, DEVICE SIZE/OFF, and NODE NAME.
Digging into more information about it, FD means “File descriptor” and accepts the values:
Cwd: current directory
Rtd: root directory
Txt: text file
Mem: memory-mapped file
Then, the values are followed by:
R: Read
W: Write
U: Read and write
Other utilities for your health check
The Nmon Utility
The utility has the goal to analyze the performances of a system regarding the cpu, memory, network, disks, file systems, nfs, top processes, resources, and power micro-partition.
In the Ubuntu distributions you need to install the utility with the following command:
sudo apt install nmon
When the installation is completed, launch the command here below “ nmon ”:
nmon
As shown below all the statistics are shown. With the option “c” you are able to filter the information about the CPU.
Press CTRL + C to exit from the utility.
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