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The control structures, expression grammar, history mechanism and other features in Holub's SH were identical to those of the C shell. In 1988, Hamilton Laboratories began shipping Hamilton C shell for OS/2. [23] It included both a csh clone and a set of Unix-like utilities. In 1992, Hamilton C shell was released for Windows NT. [24]
Environment Modules on Scientific Linux, CentOS, and Red Hat Enterprise Linux distributions in the environment-modules package include modules.csh and modules.sh scripts for the /etc/profile.d directory that make modules initialization part of the default shell initialization. One of the advantages of Environment Modules is a single modulefile ...
COMMAND.COM, the original Microsoft command line processor introduced on MS-DOS as well as Windows 9x, in 32-bit versions of NT-based Windows via NTVDM; cmd.exe, successor of COMMAND.COM introduced on OS/2 and Windows NT systems, although COMMAND.COM is still available in virtual DOS machines on IA-32 versions of those operating systems also.
Hamilton C shell and Cygwin bash date loops. Lacking fork or a high performance way to recreate that functionality, Hamilton uses the Windows threads facilities instead. [6] [8] When a new thread is created, it runs within the same process space and it shares all of the process state. If one thread changes the current directory or the contents ...
JP Software command-line processors provide user-configurable colorization of file and directory names in directory listings based on their file extension and/or attributes through an optionally defined %COLORDIR% environment variable.
KornShell was originally proprietary software. In 2000 the source code was released under a license particular to AT&T, but since the ksh93q release in early 2005 it has been licensed under the Eclipse Public License. [4] KornShell is available as part of the AT&T Software Technology (AST) Open Source Software Collection.
tcsh added filename and command completion and command line editing concepts borrowed from the TENEX operating system, which is the source of the “t”. [7] Because it only added functionality and did not change what was there, tcsh remained backward compatible [8] with the original C shell.
[9] [better source needed] The C shell also introduced many features for interactive work, including the history and editing mechanisms, aliases, directory stacks, tilde notation, cdpath, job control and path hashing. On many systems, csh may be a symbolic link or hard link to TENEX C shell (tcsh), an improved version of Joy's original version ...