Which of the following commands would BEST assists the administrator in identifying the problem?

An administrator receives a warning about a file system filling up, and then identifies a large file located at /tmp/largelogfile. The administrator deletes the file, but no space is recovered on the file system.

Which of the following commands would BEST assists the administrator in identifying the problem?
A . lsof | grep largelogfile
B . pkill /tmp/largelogfile
C . pgrep largelogfile
D . ps Cef | grep largelogfile

Answer: A

Explanation:

Reference: https://access.redhat.com/solutions/2316