What tcsh means?
The Full form of TCSH is Tenex C shell, or TCSH stands for Tenex C shell, or the full name of given abbreviation is Tenex C shell.
What is tcsh used for?
It is a command language interpreter usable both as an interactive login shell and a shell script command processor. It includes a command-line editor, programmable word completion, spelling correction, a history mechanism, job control, and a C-like syntax. You can invoke the shell by typing an explicit tcsh command.
What does tcsh stand for in Linux?
tee-see-shell
tcsh (“tee-see-shell”) is a Unix shell based on and compatible with the C shell (csh). It is essentially the C shell with programmable command-line completion, command-line editing, and a few other features. It is the native root shell for BSD-based systems such as FreeBSD.
How old is tcsh?
Often one of the two files is either a hard link or a symbolic link to the other, so that either name refers to the same improved version of the C shell….C shell.
| tcsh and sh side-by-side on a Mac OS X desktop | |
|---|---|
| Original author(s) | Bill Joy |
| Initial release | 1978 |
| Stable release | 6.20.00 / 24 November 2016 |
| Repository | bxr.su/n/bin/csh/ |
How do I run tcsh?
The tcsh shell is often able to complete words when given a unique abbreviation. Type part of a word (for example ls /usr/lost) and press the tab key to run the complete-word editor command.
Where is tcsh?
To change what shell you use type chsh (CHange SHell) and type in the location of the new shell when prompted. The location of tcsh on the Hawking computer is /usr/local/bin/tcsh. The new shell will not take effect until the next time you log on and will stay in effect until you change it again.
What is csh or tcsh?
Tcsh is an enhanced version of the csh. It behaves exactly like csh but includes some additional utilities such as command line editing and filename/command completion. Tcsh is a great shell for those who are slow typists and/or have trouble remembering Unix commands.
How do I run tcsh in shell?
You can invoke the shell by typing an explicit tcsh command. A login shell can also be specified by invoking the shell with the -l option as the only argument. A login shell begins by executing commands from the system files /etc/csh. cshrc and /etc/csh.
What is csh tcsh?
What does #!/ Bin csh mean?
When you type in a command at the Unix prompt, you are interacting with the shell. E.g., #!/bin/csh refers to the C-shell, /bin/tcsh the t-shell, /bin/bash the bash shell, etc. For instance I use the tcsh shell interactively, but often run bash scripts using /bin/bash in the script file.
What is csh file?
The CSH file extension is a data format known as Photoshop Custom Shapes File. CSH files and Photoshop were developed by Adobe Systems. These files are data files that contain collection of custom shapes used by Photoshop and Photoshop Elements.
Is Sh a shell?
sh (Bourne shell) is a shell command-line interpreter, for Unix/Unix-like operating systems. It provides some built-in commands. In scripting language we denote interpreter as #!/bin/sh . It was one most widely supported by other shells like bash (free/open), kash (not free).
What are the new features of tcsh ( 1 )?
It includes a command-line editor (see The command-line editor ), programmable word completion (see Completion and listing ), spelling correction (see Spelling correction ), a history mechanism (see History substitution ), job control (see Jobs) and a C-like syntax. The NEW FEATURES section describes major enhancements of tcsh over csh (1).
Where does the ” T ” in tcsh come from?
The “t” in tcsh comes from the “T” in TENEX, an operating system which inspired Ken Greer at Carnegie Mellon University, the author of tcsh, with its command-completion feature. Greer began working on his code to implement Tenex-style file name completion in September 1975, finally merging it into the C shell in December 1981.
What did tcsh add to the C shell?
tcsh added filename and command completion and command line editing concepts borrowed from the TENEX operating system, which is the source of the “t”. Because it only added functionality and did not change what was there, tcsh remained backward compatible with the original C shell.
What do special characters mean in tcsh command?
Special characters refer to those that have special functions when used in tcsh command or scripts. Special keystrokes refer to those that apply to a terminal window shell with sub-processes. Putting a trailing & after a command will have it run in the background, akin to omitting it and typing ctrl-z followed by bg.