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Diff b/w C-shell and Born-shell
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Answer / abhay saxena
The Bourne shell is the original Unix shell (command
execution program, often called a command interpreter) that
was developed at AT&T.Bourne Again Shell (bash) is the free
version of the Bourne shell distributed with Linux systems.
Bash is similar to the original, but has added features such
as command line editing. Its name is sometimes spelled as
Bourne Again SHell.
&
C shell (csh) is a Unix shell developed by Bill Joy for the
BSD Unix system. It was originally derived from the 6th
Edition Unix /bin/sh (which was the Thompson shell), Its
syntax is modeled after the C programming language. The C
shell added many feature improvements over the Bourne
shell, such as aliases and command history. Today, the
original C shell is not in wide use on Unix; it has been
superseded by other shells such as the Tenex C shell (tcsh)
based on the original C shell code, but adding filename
completion and command line editing, comparable with the
Korn shell (ksh), and the GNU Bourne-Again shell (bash). An
independently-developed and modernized C shell, created by
Nicole Hamilton, also survives on Windows in the form of
Hamilton C shell.
| Is This Answer Correct ? | 9 Yes | 4 No |
Answer / alf55
Actually "csh" is a little bit more user friendly; however,
it should not be used for system admin scripts as it has
lots of potential holes to allow other executable to be run
rather than those intended. Also it has lots of short
commings when it comes to redirection and pipes. Please see:
http://www.faqs.org/faqs/unix-faq/shell/csh-whynot/
| Is This Answer Correct ? | 0 Yes | 0 No |
In a company there are 3 groups i.e Finance, HR and Marketing. Each groups having 3 members. There is a file named as file1.txt. The permission set for the above file is rwx-rw----x. Now the question is only the members of Hr and Marketing group can view and edit the file. But the file is not accessible to the members of Finance Group. Can anyone tell me what would be the exact command for linux.root@localhost#<type the exact linux command>
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