Ubuntu

Binary package “psmisc” in ubuntu lunar

  1. Lunar (23.04)
  2. psmisc

utilities that use the proc file system

 This package contains miscellaneous utilities that use the proc FS:
 .
  - fuser: identifies processes that are using files or sockets.
  - killall: kills processes by name (e.g. "killall -HUP named").
  - peekfd: shows the data traveling over a file descriptor.
  - pstree: shows currently running processes as a tree.
  - prtstat: print the contents of /proc/<pid>/stat

Source package