pidof command

The top and free command display the total amount of free and used physical and swap memory in the server. How do I determine which process is using swap space under Linux operating systems? How do I find out swap space usage of particular process such as memcached?


How can I find all the file descriptors used by a process such as httpd (Apache web server) or mysqld (MySQL Database server)?


Q. How do I find out my process is running? How do I get pid number for particular process? A. The easiest way to find out is run ps aux command and grep process name. If you got output along with process name/pid, your process is running. Task: Find out process pid Simply use ps […]


I am a new Linux system user. How do I kill process on Linux based server using command line options? How can I kill running process on Unix?