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angelikatyborska/fd.sh

Created June 28, 2019 05:23
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file descriptors commands
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fd.sh
# check number of used FDs per process
ls /proc/$pid/fd | wc -l
# check number of used FDs system-wide
# returns: 1. allocated, 2. allocated but free (usually 0), 3. system max
sysctl fs.file-nr
# check FD per user limit
ulimit -a
# list open files
lsof
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