Unix Shell Account
   HOME

TheInfoList



OR:

A shell account is a user account on a remote
server Server may refer to: Computing *Server (computing), a computer program or a device that provides requested information for other programs or devices, called clients. Role * Waiting staff, those who work at a restaurant or a bar attending custome ...
, typically running under
Unix Unix (, ; trademarked as UNIX) is a family of multitasking, multi-user computer operating systems that derive from the original AT&T Unix, whose development started in 1969 at the Bell Labs research center by Ken Thompson, Dennis Ritchie, a ...
or
Linux Linux ( ) is a family of open source Unix-like operating systems based on the Linux kernel, an kernel (operating system), operating system kernel first released on September 17, 1991, by Linus Torvalds. Linux is typically package manager, pac ...
operating systems. The account gives access to a text-based
command-line interface A command-line interface (CLI) is a means of interacting with software via command (computing), commands each formatted as a line of text. Command-line interfaces emerged in the mid-1960s, on computer terminals, as an interactive and more user ...
in a
shell Shell may refer to: Architecture and design * Shell (structure), a thin structure ** Concrete shell, a thin shell of concrete, usually with no interior columns or exterior buttresses Science Biology * Seashell, a hard outer layer of a marine ani ...
, via a
terminal emulator A terminal emulator, or terminal application, is a computer program that emulates a video terminal within some other display architecture. Though typically synonymous with a shell or text terminal, the term ''terminal'' covers all remote term ...
. The user typically communicates with the server via the
SSH The Secure Shell Protocol (SSH Protocol) is a cryptographic network protocol for operating network services securely over an unsecured network. Its most notable applications are remote login and command-line execution. SSH was designed for Un ...
protocol. In the early days of the Internet, one would connect using a
modem The Democratic Movement (, ; MoDem ) is a centre to centre-right political party in France, whose main ideological trends are liberalism and Christian democracy, and that is characterised by a strong pro-Europeanist stance. MoDem was establis ...
. Shell accounts were first made accessible in the 1980s to interested members of the public by Internet Service Providers—such as Netcom, Panix,
The World The world is the totality of entities, the whole of reality, or everything that exists. The nature of the world has been conceptualized differently in different fields. Some conceptions see the world as unique, while others talk of a "plu ...
, and Digex—although in rare instances individuals had access to shell accounts through their employer or university. They were used for file storage, web space, email accounts, newsgroup access and software development. Before the late 1990s, shell accounts were often much less expensive than full net access through
SLIP Slip or The Slip may refer to: * Slip (clothing), an underdress or underskirt Music * The Slip (band), a rock band * ''Slip'' (album), a 1993 album by the band Quicksand * ''The Slip'' (album) (2008), a.k.a. Halo 27, the seventh studio al ...
or PPP, which was required to access the then-new
World Wide Web The World Wide Web (WWW or simply the Web) is an information system that enables Content (media), content sharing over the Internet through user-friendly ways meant to appeal to users beyond Information technology, IT specialists and hobbyis ...
. Most
personal computer A personal computer, commonly referred to as PC or computer, is a computer designed for individual use. It is typically used for tasks such as Word processor, word processing, web browser, internet browsing, email, multimedia playback, and PC ...
operating system An operating system (OS) is system software that manages computer hardware and software resources, and provides common daemon (computing), services for computer programs. Time-sharing operating systems scheduler (computing), schedule tasks for ...
s also lacked
TCP/IP The Internet protocol suite, commonly known as TCP/IP, is a framework for organizing the communication protocols used in the Internet and similar computer networks according to functional criteria. The foundational protocols in the suite are ...
stacks by default before the mid-1990s. Products such as The Internet Adapter were devised that could work as a proxy server, allowing users to run a web browser for the price of a shell account. While direct internet connections made shell accounts largely obsolete for most users, they remained popular with some technically inclined subscribers. Shell providers are often found to offer shell accounts at low-cost or free. These shell accounts generally provide users with access to various software and services including
compilers In computing, a compiler is a computer program that translates computer code written in one programming language (the ''source'' language) into another language (the ''target'' language). The name "compiler" is primarily used for programs tha ...
, IRC clients, background processes, FTP, text editors (such as nano) and
email client An email client, email reader or, more formally, message user agent (MUA) or mail user agent is a computer program used to access and manage a user's email. A web application which provides message management, composition, and reception functio ...
s (such as
pine A pine is any conifer tree or shrub in the genus ''Pinus'' () of the family Pinaceae. ''Pinus'' is the sole genus in the subfamily Pinoideae. ''World Flora Online'' accepts 134 species-rank taxa (119 species and 15 nothospecies) of pines as cu ...
). Some shell providers may also allow tunneling of traffic to bypass corporate firewalls.


See also

*
Bulletin board system A bulletin board system (BBS), also called a computer bulletin board service (CBBS), is a computer server running list of BBS software, software that allows users to connect to the system using a terminal program. Once logged in, the user perfor ...
*
FreeBSD jail The jail mechanism is an implementation of FreeBSD's OS-level virtualisation that allows system administrators to partition a FreeBSD-derived computer system into several independent mini-systems called ''jails'', all sharing the same kernel, with ...
* Free-net * SDF Public Access Unix System, one of the oldest and largest non-profit public access UNIX systems on the Internet. * Slirp, a
free software Free software, libre software, libreware sometimes known as freedom-respecting software is computer software distributed open-source license, under terms that allow users to run the software for any purpose as well as to study, change, distribut ...
application similar to The Internet Adapter *
SSH tunneling In computer networks, a tunneling protocol is a communication protocol which allows for the movement of data from one network to another. They can, for example, allow private network communications to be sent across a public network (such as the I ...
*
The Big Electric Cat The Big Electric Cat, named for an Adrian Belew song, was a public access computer system in New York City in the late 1980s, known on Usenet as node dasys1. Based on a Stride Computer brand minicomputer running the UniStride Unix variant, the B ...
was a public access computer system in New York City in the late 1980s, known on Usenet as node dasys1. * The Internet Adapter, a graphical application front end for internet access using shell accounts allowing TCP/IP-based applications such as Netscape to run over the shell account. *
The WELL The Whole Earth 'Lectronic Link, normally shortened to The WELL or The Well, is a virtual community founded in 1985. It is one of the oldest continuously operating virtual communities. By 1993 it had 7,000 members, a staff of 12, and gross annu ...
, best known for its Internet forums, but also provides email, shell accounts, and web pages.


References


External links


Shell providers list
{{DEFAULTSORT:Shell Account Internet hosting * Unix