How many file descriptors are opened per user currently?

Solution Unverified - Updated -

Environment

  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6

Issue

  • How do I determine the number of file descriptors open per user currently?

Resolution

  • The following command should provide the number of file descriptors that are open for the specified user
# lsof -u <user> | sort -u | wc -l #--for a count  
# lsof -u <user> | sort -u         #--to view

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