Contents
What information does the second line of the top output display?
The second line contains information (in that order) about total number processes, number of running processes, number of sleeping processes, number of processes that have stopped, and number of processes in the zombie state. The next two lines show information related to RAM and swap memory usage.
What is a process tree?
A process tree is a tool for visualizing and archiving the various stages of a given planning and development project in chronological order. It brings several types of information together in one place, thus creating a general picture of the matter at hand.
How do you use Pidof?
The pidof command is used to find out the PIDs of a specific running program. pidof is a simple command that doesn’t have a lot of options. Typically you will invoke pidof only with the name of the program you are searching for. If you have any questions or feedback, feel free to leave a comment.
What does the pstree command do in Linux?
Pstree command in Linux that shows the running processes as a tree which is a more convenient way to display the processes hierarchy and makes the output more visually appealing. The root of the tree is either init or the process with the given pid.
What is the output of pstree in FreeBSD?
pstree output in FreeBSD. pstree is a Linux command that shows the running processes as a tree. It is used as a more visual alternative to the ps command. The root of the tree is either init or the process with the given pid.
Why does pstree show only parts of the process tree?
Providing pstree with an argument causes it to show only parts of the process tree rather than the entire tree. If a user name is specified, only the branches that start at processes owned by that user are shown.
What’s the difference between PS and PS tree?
It differs from the much more commonly used (and more complex) ps program in a number of respects, including that the latter shows the processes in a list rather than a tree diagram but provides more detailed information about them.