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Topic: TENEX C shell


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  UNIX shell differences and how to change your shell (Monthly Posting)
A brief history of UNIX shells Note, this history is just known to be slightly out of historical order, it is in the process of being corrected, but for the moment should be taken with a pinch of salt In the near beginning there was the Bourne shell /bin/sh (written by S. Bourne).
Into this shell they put several concepts which were new, (the majority of these being job control and aliasing) and managed to produce a shell that was much better for interactive use.
Like the Korn shell bash was based upon the Bourne shells language and like the Korn shell, it also pinched features from the C shell and other operating systems (in my opinion it put them together better; guess which shell I use), but unlike the Korn shell it is free.
www.faqs.org /faqs/unix-faq/shell/shell-differences   (2225 words)

  
  C shell - Wikipedia, the free encyclopedia
Today, the original C shell is not in wide use on Unix; it has been superseded by other shells such as the Tenex C shell (tcsh) based on the original C shell code, but adding filename completion and command line editing, comparable with the Korn shell (ksh), and the GNU Bourne-Again shell (bash).
The C shell has the typical Unix shell structure: each line of input (or line of a script file) is interpreted as a separate command to execute, with backslashes "escaping" newlines where needed (so that multiple input lines can comprise a single command to be executed.
While the C shell introduced many innovative features in interactive mode, the C shell's scripting capabilities came under criticism in the early-to-mid 1990s for their ambiguity, especially with respect to quoting and redirection.
en.wikipedia.org /wiki/C_shell   (578 words)

  
 tcsh   (Site not responding. Last check: )
tcsh is a Unix shell, based on (and compatible with) the C shell (csh).
It is essentially the C shell with (programmable) filename completion, command-line editing, and a few other features.
It replaced the C shell as default shell on most modern BSD descendant operating systems.
www.wapipedia.com /wikipedia/mobiletopic.aspx?cur_title=TENEX_C_shell   (117 words)

  
 Korn shell: Definition and Links by Encyclopedian.com
It is most similar to the Korn shell (ksh), but it also includes many features from the C shell (csh) as...and syntax of the Korn shell with useful features from the C shell, since the C shell has some...
The Korn shell (ksh) is a Unix shell developed by David Korn.
It is compatible with the Bourne shell and includes many features of the C shell as well, such as a command history.
www.encyclopedian.com /ks/Ksh.html   (256 words)

  
 Tcsh
tcsh is a Unix shell, based on (and compatible with) the C shell.
It is essentially the C shell with filename completion, command-line editing, and a few other features.
The 't' in tcsh comes from the T in TENEX[?], an operating system which inspired the author of tcsh.
www.ebroadcast.com.au /lookup/encyclopedia/te/TENEX_C_shell.html   (48 words)

  
 NationMaster - Encyclopedia: TENEX C shell   (Site not responding. Last check: )
The Bourne shell was the shell used in early versions of Unix and became a de facto standard; every Unix-like system has the equivalent of the Bourne shell.
On systems using a windowing system, some users may never use the shell directly, though on Unix systems, the shell is still the implementation language of system startup scripts, including the program that starts the windowing system, the program that dials into the Internet, and many other essential functions.
Today, the C shell is not in wide use; it has been superseded by other shells such as the Tenex C shell (tcsh), the Korn shell (ksh), and the GNU Bourne-Again shell (bash).
www.nationmaster.com /encyclopedia/TENEX-C-shell   (322 words)

  
 Shell definition by The Linux Information Project (LINFO)
A shell is an interface between the user and the internal parts of the operating system (at the very core of which is the kernel).
A shell is the most fundamental way that a user can interact with the system, and the shell hides the details of the underlying operating system from the user.
A shell prompt, also referred to as a command prompt is a character or set of characters at the start of the command line that indicates that the shell is ready to receive commands.
www.bellevuelinux.org /shell.html   (1189 words)

  
 Unix-Shell – Wikipedia
Diese Shell erlaubt bereits eine Kommandozeileneditierung, allerdings nicht interaktiv, sondern über eine spezielle Syntax.
Da praktisch alle modernen Shells in der Programmiersprache C geschrieben sind, lassen sich fehlende Shells leicht nachrüsten.
Diese Shells sind in der Lage, Perl-Kommandos zu verarbeiten, beispielsweise um Pipes effizient zu manipulieren.
de.wikipedia.org /wiki/Unix-Shell   (2364 words)

  
 UNIX shell
The Unix shell, also called the command line, is the traditional user interface for the Unix operating system.
The most generic sense of the term shell means any program that users use to type commands; it is called a "shell" because it hides the details of the underlying operating system behind the shell's interface.
The Unix shell is unusual since it is in both an interactive command language and the language used to script the system; it is a scripting programming language.
www.ebroadcast.com.au /lookup/encyclopedia/un/Unix_shell.html   (282 words)

  
 SI - readmsg.aspx msgid=18903172
Tenex C shell script text executable P1@ creates a set of P# files that create simple 1 line awk scripts.
Tenex C shell script text executable to_jpg.com@ set the JPG extension of JPEG files to lower case jpg.
Tenex C shell script text executable make_pic_page@ Is a script of scripts described above.
www.siliconinvestor.com /readmsg.aspx?msgid=18903172   (402 words)

  
 Unix Shells - csh, ksh, bash, zsh, ...
Extended version of the C Shell that adds such functionality as command completion, a command line editor, enhanced history manipulation.
CSH is a fairly nice interactive shell that has syntax that looks a lot more like C than that of the Bourne Shell.
This shell, written by David Korn, of Bell Labs, is now the defacto-standard shell for Unix systems, available on virtually any Unix-like system sold in the 1990's and beyond.
cbbrowne.com /info/unixshells.html   (911 words)

  
 Cool Solutions: Making Scripts Portable
Portable shell scripting is something of a fl art, since with the evolution and derivation of the UNIX shell, the definition of "portable" is perhaps ambiguous.
This decision is enforced by with the general consensus that the C Shell family is best avoided due to bugs in their implementation and flaws in their design.
Although using the Bourne shell is the "safest" option, not all Bourne shells are equal particularly where another shell emulating Bourne shell compatibility is used (which is the case for most Linux distributions).
www.novell.com /coolsolutions/feature/11232.html   (1272 words)

  
 Shell - Unix C Shell Field Guide
Today, the C shell is not widely used because it has been superceded by other shells such as the Tenex C shell (tcsh), the Korn shell (ksh), and the GNU Bourne-Again shell (bash).
The C shell's scripting capability came under criticism in the early-to-mid 1990s for its ambiguity, especially with respect to quoting and redirection.
However, if you are a big fan of the C Shell or legacy code has forced you to deal with it, this is the definitive guide to it, even if it is 20 years old.
linux-directory.com /programming/shell/Unix-C-Shell-Field-Guide.shtml   (520 words)

  
 Shell - FreeBSDwiki
The C shell focused on C language syntax, and user-friendly improvements such as file name completion and command line editing.
FreeBSD uses a Bourne shell (sh) for its default system command interpreter, and a C shell (tcsh) for the default login shell.
Besides the default shells (sh and tcsh), and the ports mentioned above (ksh and bash), there are a number of other powerful CLI shells available from the ports collection.
www.freebsdwiki.net /index.php?title=Shell&printable=yes   (486 words)

  
 unix shell intro
Unfortunately, the C shell is not as robust as the Bourne shell so people who use the C shell for interactive use usually write shell programs using a shell from the Bourne family.
The Tenex C shell was developed to fix some of the bugs in the C shell and to add more interactive features such as command line editing.
The supported shells on the Cray are the POSIX, the Korn, and the C shells.
swiki.hfbk-hamburg.de:8888 /techdoc/5   (6283 words)

  
 System Administration Toolkit: Standardizing your UNIX command-line tools
Shell functions -- This solution is supported by most modern shells -- shell functions enable you to create more complex sequences but, because they operate as a built-in, they can be more practical when the differences are comparatively minor.
Shell scripts -- When the wrapper you are building is particularly complex, a much better solution is to use a shell script that you can call in place of the original command.
Bash: Bash is an alternative shell to the standard Bourne shell with similar syntax, but an expanded range of features, including aliasing, job control, and auto-completion of file and directory names.
www-128.ibm.com /developerworks/aix/library/au-satstandardsh.html?...   (2970 words)

  
 Tcsh - Wikipedia, the free encyclopedia
The initial letter is shown capitalized due to technical restrictions.
The 't' in tcsh comes from the T in TENEX, an operating system which inspired Ken Greer, the author of tcsh, with its command-completion feature.
Early versions of Mac OS X shipped with tcsh as the default shell, but it has since been replaced by bash.
en.wikipedia.org /wiki/TENEX_C_shell   (237 words)

  
 Get with the script   (Site not responding. Last check: )
It's called a "shell" because in the simplest case it does nothing but "surround" the programs on the disk with an interface (a command line) that is used to run them as required.
The Bourne shell is supported by a hack deep inside Linux: If the first two characters of a file are "#!", and the file has executable permission, then the kernel will pass the file contents to the program stated in the rest of the first line.
The Bourne shell is the inspiration for many very similar shells, such as ksh (Korn shell), bash (Born Again shell), ash (Another shell) and the weirdly different Csh (C shell) and tcsh (Tenex C shell).
searchwebservices.techtarget.com /tip/1,289483,sid39_gci995788,00.html   (830 words)

  
 Learn to Stop Worrying and Love the Command Line
The shell is responsible for printing the command prompt, and frequently does other helpful things such as tell you if you have received new email.
These two shells are different in a lot of important ways, so it will frequently be necessary in this document to describe two ways of doing something, one for the sh-derived shells and one for the csh-like ones.
C shells traditionally use a % character for their command prompts, and remain popular in the scientific community.
www.dci.pomona.edu /docs/command-line.html   (7557 words)

  
 csh :: tcsh UNIX Shells
The shell is the name for the user interface wrapping the guts of the operating system so that you can actually input commands to make it do something.
It stands for C shell and the other came along later and stands for Tenex C shell.
The oldest Unix shell is sh, the Bourne shell.
www.inforingpress.com /computer_careers/csh-tcsh.htm   (441 words)

  
 TCSH: Welcome
Tcsh is an enhanced, but completely compatible version of the Berkeley UNIX C shell (csh).
It is a command language interpreter usable both as an interactive login shell and a shell script command processor.
The TCSH wiki was created April 26th, 2001, and it is powered by UseModWiki[1].
www.tcsh.org   (277 words)

  
 NSIT Support - Basic Unix Tutorial - C
A shell is like the command prompt in Windows or the terminal in Mac OS X; it's an interface between you and the commands/files of the system.
The default shell on NSIT's interactive use server, harper, is tcsh.
The difference between them is that while.login is only invoked if the shell is a login shell, the.cshrc file is read whenever csh or tcsh are invoked.
support.uchicago.edu /docs/misc/unix/tutorial/basicc.html   (1091 words)

  
 Bash Shell UNIX
Bash shell for Unix is the new, improved version of the original Bourne shell -- sh -- for Unix.
The oldest Unix shell was started by Bill Joy at Berkeley and is called csh for C shell.
Bash shell does provide for additional functions such as command history, command line editing, command completion and job control, which is the ability to start, stop and pause commands.
www.inforingpress.com /computer_careers/bash-shell.htm   (428 words)

  
 GridShell - User Guide
Also, when a shell command output or input is redirected to a “gsiftp” URL scheme or to a gridshell task identifier, the data agent is invoked.
The data agent is then responsible for opening a TCP socket descriptor to the remote location, and passing this descriptor back to the shell environment for data to be redirected to.
The shell also overloads the “<” and “>” I/O operators to allow remote files to be accessed by the shell.
www.tacc.utexas.edu /gridshell/userguide   (2611 words)

  
 Command Completion Definition
Command Completion and How to Use It Command completion is the automatic completion by the shell of the names of commands and their arguments that have only partially been typed into the command line.
That is, after the shell has entered yarrow_bay_unique_species_list_ from the first command completion, the user could employ command completion again by just entering the letter f, s or t and then pressing the TAB key.
Command completion is supported by most modern shells in Unix-like operating systems including bash (the default shell for Linux), csh (the C shell), sh (the Bourne Shell) and tcsh (the TENEX C shell).
www.bellevuelinux.org /command_completion.html   (1281 words)

  
 LinuxDig.com : Linux Dictionary Term tcsh
TENEX C Shell, an enhanced version of Berkeley csh.
tcsh (TENEX C Shell) is an enhanced version of the Berkeley Unix C shell (csh(1)).
Tcsh is a command language interpreter which can be used both as an interactive login shell and as a shell script command processor.
www.linuxdig.com /documents/dictionary/terms/dictionary/terms/tcsh.php   (225 words)

  
 [No title]
Shell scripts to be run on Interix come from two environments: open systems tool environments or Microsoft® Win32®-based toolsets that emulate the open systems envrionment.
The shell in the Hippix toolkit is based upon ash, written by William Almquist.
All allow the use of Win32 style drive letters (for example, C:/), but the Hippix shell also accepts drive letters in the form //@c/ (where c is the drive letter), and the Cygnus bash shell accepts drive letters in the form //c/ (where c is the drive letter, and must be in lower case).
www.microsoft.com /windows2000/docs/portingshellscripts.doc   (2874 words)

  
 Differences Between Unix Shells
The C Shell is very useful and powerful in its own right, but there are other Shells that add functionality that can make working in the Unix environment more enjoyable.
After the C Shell was introduced, there was an effort to fix many of the bugs in it.
It was based on the Bourne Shell language, but also "borrowed" features found in the C and TC Shells.
www.ugrad.cs.ubc.ca /~cs219/CourseNotes/Unix/shell-Differences.html   (698 words)

  
 Previous Work   (Site not responding. Last check: )
There are two main families of shells, those based on the Bourne shell and those based on the C shell.
The Tenex C Shell (tcsh) is a member of the C shell family.
The C Shell comes from researchers at the University of California at Berkeley and their BSD UNIX.
www.cis.njit.edu /~brian/node3.html   (239 words)

  
 Grid in action: Introduction to GridShell
Users familiar with both will be able to write scripts that include these grid shell language extensions, and orchestrate and coordinate the execution of programs across the grid.
Command shells provide an environment to invoke and compose commands and, through scripting, allow sophisticated problem-solving tools to be built.
Through the scripting and data redirection and piping capabilities within a shell environment, users have been able to compose quite sophisticated command constructions tailored to solve their needs.
www-128.ibm.com /developerworks/grid/library/gr-gridshell   (2064 words)

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