The UBV Photoelectric Photometry Catalogue , or UBV M , is the star brightness catalogue that complies to the UBV photometric system developed by astronomer Harold Johnson astronomer Harold Johnson . Evolution of the UBV Photoelectric Photometry Catalogue The early edition of 1968 by Blanco, sometimes referred as simply the Photoelectric Catalogue or UBV was replaced by the Mermilliod edition UBV M in 1987 and extended in 1993. As the Extinction astronomy Atmospheric extinction atmospheric extinction problem associated with the UBV photometric system became evidient, the UBV Photoelectric Photometry Catalogue was phased out in 2000. Download locations The UBV catalog data format is in plain text. After uncompressing by unzip or gunzip it can be seen by any text viewers or by the online http adc.astro.umd.edu viewer ViewerTopPage.html ADC viewer . Specifications for the catalog format are provided at the download sites. http adc.gsfc.nasa.gov adc cgi cat.pl? catalogs 2 2122B Original catalogue data, 1953 1985, 109293 objects alternative reference is Mermilliod, 1987 http adc.astro.umd.edu adc cgi cat.pl? catalogs 2 2193 Catalogue extension, 1986 1992, 25639 objects http cdsweb.u strasbg.fr Bull 45 chapter1 1 1.html Alternative download site for catalogue extension, 1986 1992, 25639 objects Category Observational astronomy Category Astronomy stubs Category Astronomical catalogues Category Astronomical catalogue stubs Category Astronomical catalogues of stars ca UBV Cat leg Estel lar ... more details
Two Micron Sky Survey , or IRc , or Infrared compact , or Caltech infrared catalog is the astronomical catalogue of the infrared sources published in the 1969 by Gerald Neugebauer Neugebauer and Robert B. Leighton physicist Leighton . Catalogue index consists of two numbers declination rounded to multiplier of 10 degrees, with Plus and minus signs sign , and star ordinal number within declination band. Catalog contains about 5000 objects, most of them are M type star Class M M type stars. The IRc catalog data format is plain text, after uncompressing by unzip or gunzip it can be seen by any text viewers or by online http adc.astro.umd.edu viewer ViewerTopPage.html ADC viewer . Download locations http adc.astro.umd.edu adc cgi cat.pl? catalogs 2 2002B Standard IRc catalog http adc.astro.umd.edu adc cgi cat.pl? journal tables AJ 80 1011 Update to IRc catalog Classification of 831 two micron sky survey sources south of 5 degrees Category Observational astronomy Category Astronomy stubs Category Astronomical catalogues Category Astronomical catalogue stubs Category Astronomical catalogues of stars ... more details
U.K. Schmidt Caltech Asteroid Survey , or U.K. Schmidt Telescope Caltech asteroid survey , or UCAS is the joint astronomical survey performed in 1982 . This survey are no longer exist as separate entity, but rather integrated into astorb Asteroid asteroids database. The UCAS catalog data format is plain text, after uncompressing by unzip or gunzip it can be seen by any text viewers or by online http adc.astro.umd.edu viewer ViewerTopPage.html ADC viewer . Specifications for catalog format are provided on the download sites. Database download locations http adc.astro.umd.edu adc cgi cat.pl? external astrom E1006 Download page for asteroids database, including UCAS database, 2001 http adc.astro.umd.edu adc cgi cat.pl? B astorb Download page for asteroids database, including UCAS database, 1998 http alumnus.caltech.edu nolan astorb.html Caltech asteroids database, including UCAS database, 1996 See also UK Schmidt Telescope Schmidt telescope Category Observational astronomy Category Astronomy stubs Category Astronomical catalogues Category Astronomical catalogue stubs Category California Institute of Technology ... more details
1950, RFC 1951, and RFC 1952. The corresponding program for uncompressing gzipped files is gunzip . Both commands call the same binary tt gunzip tt has the same effect as tt gzip d tt . gunzip and zcat The tt gzip tt utility on UNIX systems has some alternative names. When gzip is invoked as tt gunzip tt , it decompresses the data a file or stdin . tt gunzip tt is equivalent to tt gzip d tt . When ... the output to a new file. To uncompress, use gunzipgunzip file.txt.gz Generally, multiple ... more details
Infobox software name sash logo caption screenshot File Stand alone shell screenshot.png caption Screenshot of the sash shell developer David Bell latest release version v3.7 operating system Unix like genre Embedded license website http members.tip.net.au dbell Stand alone shell tt sash tt is a Unix shell designed for use in recovering from certain types of system failures. The built in commands of sash have all static libraries libraries linked statically , so unlike most shells, the standard UNIX commands do not rely on external libraries. For example the copy command cp requires linux gate.so, GNU C Library libc.so , and strings Unix ld linux.so when built from GNU coreutils on Linux . If any of these libraries get corrupted, the coreutils cp command would not work, however in sash, the built in command, cp, would be unaffected. Sash has the following Shell builtin built in commands ar Unix ar , chattr , chgrp , chmod , chown , cmp Unix cmp , cp Unix cp , dd Unix dd , echo command echo , ed text editor ed , Exec operating system exec , grep , file command file , find , gunzip , gzip , kill Unix kill , losetup , ln Unix ln , ls , lsattr , mkdir , mknod , rmdir , Sum Unix sum , sync Unix sync , Tar file format tar , touch Unix touch , umount , where sash plus patches sash plus patches is a collection of patches for sash. The key features are the chroot , pivot root , and losetup commands. These functions provide interfaces to the respective Linux system calls. They are especially useful when sash is used in a initial ramdisk initrd environment. In addition, simple shell variable expansion support has been added. e.g. the variable VAR is replaced by the content of the environment variable VAR . Some Linux distros, such as Debian and Slackware via SlackBuilds.org have this available. Citation needed date April 2010 See also BusyBox Comparison of computer shells References Reflist http manpages.unixforum.co.uk man pages linux suse linux 10.1 1 sash man page.html sash ... more details
This is a list of Inferno operating system Inferno Computer program program s . Most of these programs are very similar to the List of Plan 9 applications Plan 9 applications or List of Unix programs UNIX programs with the same name. System software General user dd Unix dd convert and copy a file date unix date print the date echo command echo print arguments emu Inferno emulator mash programmable shell ns display current namespace nsbuild build Inferno namespace os interface to host OS commands hosted Inferno only plumb send message to plumber plumber Plan 9 plumber plumber for interapplication message routing rcmd remote command execution runas run command as another user sh command language tiny sh reduced command line interface to the Inferno system wm logon log on to Inferno wm sh, wm mash Window frames for the Inferno shells wm wm window manager System Management Process computing Processes and tasks management time unix time time command execution kill Unix kill , broke terminate process es sleep Unix sleep , pause suspend execution for an interval ps Unix ps process thread status User management and support auth Passwd command passwd change user password man Unix man , wm man, man2txt, lookman print or find manual pages Files and Text Filesystem Utilities chgrp change file s group or owner chmod change file mode permissions cp Unix cp , fcp copy files du Unix du disk usage lc list files in columns ls list files mkdir make a directory mv move files bind, mount, unmount change name space pwd working directory rm Unix rm remove file s touch Unix touch update the modification time of one or more files Archivers and compression ar Unix ar archive maintainer gettar, lstar, puttar tar archive utilities gzip , gunzip compression and decompression utilities Text Processing cat Unix cat concatenate files cmp Unix cmp compare two files diff differential file comparator fmt simple text formatter freq print histogram of character frequencies grep pattern matching p pagin ... more details
UnxUtils is a collection of porting ports of common GNU Unix like utility utilities to native mode native Win32 , with executable s only depending on the Microsoft C programming language C Run time system runtime msvcrt.dll . The collection was last updated externally on April 15, 2003 by Doctor of Philosophy Dr . Karl M. Syring . The most recent release package is now available as an open source project, http sourceforge.net projects unxutils UnxUtils at SourceForge , with the latest binary release in March, 2007. The independent distribution included a main zip file format zip File archiver archive UnxUtils.zip, 3,365,638 byte s complemented by more recent updates UnxUpdates.zip, 878,847 bytes , but the sourceforge project has no UnxUpdates.zip package. The utilities included are col begin width auto col break agrep .exe ansi2knr .exe basename .exe bc Unix bc .exe GNU bison bison .exe bunzip2.exe bzip2 .exe bzip2recover.exe cat Unix cat .exe chgrp .exe chmod .exe chown .exe cksum .exe cmp Unix cmp .exe comm .exe compress .exe cp Unix cp .exe csplit .exe cut Unix cut .exe date Unix date .exe dc Unix dc .exe dd Unix dd .exe df Unix df .exe diff .exe diff3 .exe dircolors .exe dirname .exe du Unix du .exe echo command echo .exe egrep .exe env shell env .exe expand Unix expand .exe expr .exe factor Unix factor .exe fgrep .exe find Unix find .exe flex lexical analyser flex .exe fmt Unix fmt .exe fold Unix fold .exe fsplit .exe Gawk GNU package gawk .exe col break gclip .exe gplay .exe grep .exe gsar .exe gunzip .exe gzip .exe head Unix head .exe id Unix id .exe indent Unix indent .exe install Unix install .exe join Unix join .exe WHOIS jwhois .exe less Unix less .exe lesskey .exe ln Unix ln .exe logname Unix logname .exe ls .exe m4 computer language m4 .exe make software make .exe makedepend .exe makemsg .exe man pages man .exe md5sum .exe mkdir .exe mkfifo .exe mknod .exe mv .exe mvdir .exe nl Unix nl .exe od Unix od .exe paste Unix paste .exe patch Unix patch .exe pat ... more details
Search for PATTERN in each FILE or standard input gunzip gzip kill command kill Kill a process ln Unix ... Gzip gunzip and zcat zcat Uncompress to stdout Refend Appliances Ref improve section date ... more details
Encyclopedia
top
