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6.2.4.2 /dev/pts

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/dev/pts is a virtual file-system used to allocate pseudo-tty. It presents all the pseudo-tty in use on the server (including all virtual server). User root is allowed to read and write to any pseudo-tty, potentially causing problems on other vservers.

Starting with the ctx-6 patch, /dev/pts is virtualised. Although the file numbers are allocated from a single pool, a vserver only see the pseudo-tty it owns.

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