ps: Process table
In ps: List, Query, Manipulate System Processes

ps	R Documentation

Process table

Process table

ps(user = NULL, after = NULL)

`user`	Username, to filter the results to matching processes.
`after`	Start time (`POSIXt`), to filter the results to processes that started after this.

Data frame, see columns below.

Columns:

pid: Process ID.
ppid: Process ID of parent process.
name: Process name.
username: Name of the user (real uid on POSIX).
status: I.e. running, sleeping, etc.
user: User CPU time.
system: System CPU time.
rss: Resident set size, the amount of memory the process currently uses. Does not include memory that is swapped out. It does include shared libraries.
vms: Virtual memory size. All memory the process has access to.
created: Time stamp when the process was created.
ps_handle: ps_handle objects, in a list column.