linux user group brescia

On Sat, Mar 18, 2000 at 11:31:04PM +0100, MaX in the FaX wrote:
> # none    /dev/pts    devpts        mounted

CONFIG_UNIX98_PTYS:

  A pseudo terminal (PTY) is a software device consisting of two
  halves: a master and a slave. The slave device behaves identical to
  a physical terminal; the master device is used by a process to
  read data from and write data to the slave, thereby emulating a
  terminal. Typical programs for the master side are telnet servers
  and xterms.
  
  Linux has traditionally used the BSD-like names /dev/ptyxx for
  masters and /dev/ttyxx for slaves of pseudo terminals. This scheme
  has a number of problems. The GNU C library glibc 2.1 and later,
  however, supports the Unix98 naming standard: in order to acquire a
  pseudo terminal, a process opens /dev/ptmx; the number of the pseudo
  terminal is then made available to the process and the pseudo
  terminal slave can be accessed as /dev/pts/<number>. What was
  traditionally /dev/ttyp2 will then be /dev/pts/2, for example.

  The entries in /dev/pts/ are created on the fly by a virtual
  file system; therefore, if you say Y here you should say Y to
  "/dev/pts file system for Unix98 PTYs" as well.

-- 
piscio sui pomponi e sui cilindri dispari -- Ed Il Polso 1975
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