procfs (or the proc filesystem) is a special filesystem in UNIX-like operating systems that presents information about processes and other system information in a hierarchical file-like structure

learn more… | top users | synonyms

-1
votes
1answer
29 views

what directory is used to execute “expr” command,what holds it process-id and log record [closed]

What directory execute the expr command. What directory holds the the PID of the command. What directory hold the log file of this command.and how to read all these??