How does top command work in Linux?
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.
What is the source code for Linux?
The Linux Information Project defines source code as: Source code (also referred to as source or code) is the version of software as it is originally written (i.e., typed into a computer) by a human in plain text (i.e., human readable alphanumeric characters).
What is the output of top command in Linux?
The first line of numbers on the dashboard includes the time, how long your computer has been running, the number of people logged in, and what the load average has been for the past one, five, and 15 minutes. The second line shows the number of tasks and their states: running, stopped, sleeping, or zombie.
What is %CPU in top command?
By default, the processes are ordered by percentage of CPU usage, with only the “top” CPU consumers shown. The top command shows how much processing power and memory are being used, as well as other information about the running processes.
How big is Linux source code?
– The Linux kernel source tree is up to 62,296 files with a total line count across all these code files and other files of 25,359,556 lines.
Is Linux written in C?
Linux is a child of UNIX, so the Linux kernel, together with most other parts of the OS, is also written (mainly) in C. This is not an accident, as C excels as a systems-level programming tool.
What is the output of top command?
Top command shows all running processes in the server. It shows you the system information and the processes information just like up-time, average load, tasks running, no. of users logged in, no. of CPU processes, RAM utilisation and it lists all the processes running/utilised by the users in your server.
How do you read top command output?
S – indicates the status of the process: S=sleep R=running Z=zombie (S) %CPU – This is the percentage of CPU used by this process (0.3) %MEM – This is the percentage of RAM used by the process (0.7) TIME+ –This is the total time of activity of this process (0:17.75)
How do I find the process ID in Linux?
Procedure to find process by name on Linux
- Open the terminal application.
- Type the pidof command as follows to find PID for firefox process: pidof firefox.
- Or use the ps command along with grep command as follows: ps aux | grep -i firefox.
- To look up or signal processes based on name use: