What is the C Shell (csh)?

What does csh stand for?

The C Shell (csh) is a Command shell for Unix-like structures that became firstly created as part of the Berkeley Software Distribution (BSD) in 1978. Csh can be used for entering instructions interactively or in Shell Scripts. The shell delivered some of improvements over the sooner Bourne Shell designed for interactive use. These encompass history, enhancing operations, a directory Stack, job manipulate and Tilde completion. Many of those Functions had been adopted inside the Bourne Again Shell (bash), Korn shell (ksh) and in the Z shell (zsh). A cutting-edge variant, tcsh, is also very famous.

What Does C Shell Mean?

The C shell cHanged into created by means of Bill Joy while he turned into a graduate student at UC Berkeley inside the overdue SEventies. It changed into first launched as part of the 2BSD Berkeley Software Distribution of Unix in 1978.

The C shell receives its name from its Syntax, that's supposed to resemble the C Programming Language.

The C shell added functions that were intended to Make it simpler to apply interactively at the Command Line, though like different shells it is able to being scripted. One of the most wonderful functions turned into command Records. Users can remember preceding instructions they have entered and either repeat them or edit these commands. Aliases allow customers to define short names to be accelerated into longer instructions. A listing stack shall we customers push and pop directories on the stack to leap to and fro quick. The C shell additionally added the standard tilde notation in which “~” represents a user’s Home Directory.

Most of those functions have been integrated into later shells, consist of the Bourne Again shell, the Korn shell and the Z shell. A famous variant is tsch, which is the Modern-day default shell on BSD sySTEMs, in addition to on early versions of Mac OS X.