| 释义 | chroot
 chroot(operating system)The UNIX command to make the root directory (/) become something other than its default for thelifetime of the current process. It can only be run byprivileged users and is used to give a process (commonly anetwork server such as FTP or HTTP) access to a restrictedportion of the file system.
 The new root contains copies of all the essential files anddirectories, e.g. /lib, /dev/tty, /tmp.
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