... a set of permissions associated with every file and directory that determine who can read it, write to it, or execute it. Only the owner of the file (or the super-user) can change these permissions. a mathematical term that refers to a number, character or word which changes the action of the command it is applied to. a standard code used for representing information on computer systems and networks. It uses the printing and non-printing characters that can be generated by the keyboard. ...

... This article is part of the LWN Porting Drivers to 2.6 series . This article serves as a sort of final resting place for various small changes in the kernel programming API which do not fit elsewhere. The kdev_t type has been removed from the kernel; everything which works with device numbers should now use the dev_t type. ... Consider using these while fixing your code; the next time the type of i_rdev changes, you will be happier. ... Driver porting: miscellaneous changes, designated inits . ...

fileinput . ... Helper class to quickly write a loop over all standard input files. ... for line in fileinput. input (): . ... Functions filename (), lineno () return the filename and cumulative line . number of the line that has just been read; filelineno () returns its . ... been read, returns the line number of that line within the file. filename () . ... Before the first line has been read, returns None. input (files =None , inplace =0 , backup ='' , bufsize =0 , mode ='r' , openhook =None ) . ...

trend1d - Fit a [weighted] [robust] polynomial [or Fourier] model for y = f(x) to xy[w] data. trend1d -F < xymrw > -N [ f ] n _ model [ r ] [ xy [ w ] file ] [ -C condition _# ] [ -H [ nrec ] ] [ -I [ confidence _ level ] ] [ -V ] [ -W ] [ -: ] [ -bi [ s ][ n ] ] [ -bo [ s ] ] trend1d reads x,y [and w] values from the first two [three] columns on standard input [or xy [ w ] file ] and fits a regression model y = f(x) + e by [weighted] least squares. ... E.g., a robust quadratic model is -N 3 r . ...

... Apache HTTP Server Version 2.4 . ... Filter Input (request) and Output (response) content using sed syntax . ... sed_module . ... mod_sed is an in-process content filter. ... However, unlike sed , mod_sed doesn't take data from standard input. Instead, the filter acts on the entity data sent between client and server. mod_sed can be used as an input or output filter. mod_sed is a content filter, which means that it cannot be used to modify client or server http headers. ... mod_sed . ...

... PmWiki / . visitors (intermediate) Web feeds are a convenient mechanism to let visitors be notified of changes to a site. ... Web feeds are commonly recognized by terms such as RSS , Atom , and web syndication . ... Using a feed action such as ?action=rss or ?action=atom on a trail generates a web feed (often called a "channel") where each page on the trail is an item in the feed. ... The feed url will be the name of a trail page with ?action=rss or ?action=atom added to the end of the url. ...

The pnet, prun, psrv suite of programs . ... pnet -> prun -> psrv -> disc . ... It can forward commands from pnet to psrv and pass back the replies. prun starts the data taking, gets the data from the spectrometer, and passes it via a socket to the psrv program running on the file server. ... There is a psrv task for each prun task (one for each subband on a spectrometer box). prun starts psrv via xinetd by connecting to the well known port address. psrv accepts commands from pnet via prun. ...

... Stellar Evolution is driven entirely by the never ending battle between Pressure and Gravity . As imbalances are reached, the star is driven to find a new Energy source. ... Pressure and gravitational forces are equal, the star is stable and its core is sufficiently hot to fuse Hydrogen into Helium More about main sequence stars . ... The luminosity generated by the core fusion of Helium into Carbon is far greater than the shell luminosity associated with the fusion of Hydrogen into Helium. ...