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This was useful for creating simple shortcut commands, but not more complex constructs. Older versions of the Bourne shell did not offer aliases, but it did provide functions, which are more powerful than the csh alias concept. The alias concept from csh was imported into Bourne Again Shell (bash) and the Korn shell (ksh). With shells that ...
Zsh is an extended Bourne shell with many improvements, including some features of Bash, ksh, and tcsh. Zsh was created by Paul Falstad in 1990 while he was a student at Princeton University . It combines features from both ksh and tcsh , offering functionality such as programmable command-line completion , extended file globbing , improved ...
$ # bash shell $ /bin/bash-c 'echo a{p,c,d,b}e' ape ace ade abe $ # A traditional shell does not produce the same output $ /bin/sh-c 'echo a{p,c,d,b}e' a{p,c,d,b}e When brace expansion is combined with wildcards, the braces are expanded first, and then the resulting wildcards are substituted normally.
Link - An alternative name (alias) which links to a canonical zone. Link † - A standard Link (as above). The dagger symbol (†) signifies that the zone was canonical in a previous version of the database. Historical data for such zones is still preserved in the source code, but it is not included when compiling the database with standard ...
Next to this name, a character can have one or more formal (normative) alias names. Such an alias name also follows the rules of a name: characters used (A-Z, -, 0-9, <space>) and not used (a-z, %, $, etc.). Alias names are also unique in the full name set (that is, all names and alias names are all unique in their combined set).
Almquist shell (also known as A Shell, ash and sh) is a lightweight Unix shell originally written by Kenneth Almquist in the late 1980s. Initially a clone of the System V.4 variant of the Bourne shell, it replaced the original Bourne shell in the BSD versions of Unix released in the early 1990s.
Control characters may be described as doing something when the user inputs them, such as code 3 (End-of-Text character, ETX, ^C) to interrupt the running process, or code 4 (End-of-Transmission character, EOT, ^D), used to end text input on Unix or to exit a Unix shell. These uses usually have little to do with their use when they are in text ...
A Canonical Name (CNAME) record is a type of resource record in the Domain Name System (DNS) that maps one domain name (an alias) to another (the canonical name). [1]This can prove convenient when running multiple services (like an FTP server and a web server, each running on different ports) from a single IP address.