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The portions of an executable file that contain the machine instructions are called the text sections, and taken together they're called the text segment. On modern Unix and Unix-like systems, the file containing the text segment is kept open while the process is running so that pages full of machine instructions can be read (paged) into memory when ...


I looked at /etc/passwd but there's no user with UID 105 (I think this user was deleted). That's what the lsof output is indicating. There's a process running owned by UID 105, but when it tried to lookup the username, there's no entry for that UID in /etc/passwd. Most likely the process was started before the user was deleted, and has been running ever ...

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