However, we’ll review FD & TYPE columns more precisely.įD – stands for a File descriptor and may see some of the values as:Īlso in FD column numbers like 1u is actual file descriptor and followed by u, r, w of its mode as: Sections and their values are self-explanatory. # lsofĬOMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME In the below example, it will show a long listing of open files some of them are extracted for better understanding which displays the columns like Command, PID, USER, FD, TYPE, etc. With the help of this command, we can easily identify the files which are in use. One of the reasons to use the lsof command is when a disk cannot be unmounted as it says the files are being used. lsof meaning ‘LiSt Open Files’ is used to find out which files are open by which process.Īs we all know Linux/Unix considers everything as a file ( pipes, sockets, directories, devices, etc).
#App to open files withlut root series
This is our ongoing series of Linux commands and in this article, we are going to review lsof command with practical examples.
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