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Find out current working directory of a running process

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There are 3 methods that I'm aware of:

pwdx

$ pwdx <PID>

lsof

$ lsof -p <PID> | grep cwd

/proc

$ readlink -e /proc/<PID>/cwd

Examples

Say we have this process.

$ pgrep nautilus
12136

Then if we use pwdx:

$ pwdx 12136
12136: /home/saml

Or you can use lsof:

$ lsof -p 12136 | grep cwd
nautilus 12136 saml  cwd    DIR              253,2    32768  10354689 /home/saml

Or you can poke directly into the /proc:

$ readlink -e /proc/12136/cwd/
/home/saml

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