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Original author(s)
John Mashey
Developer(s)
AT&T Bell Laboratories
Operating system
Unix
Available in
English
Type
Unix shell
The PWB shell (also known as the Mashey shell) was a Unix shell.[1]
^Mashey, John R. (1976-10-13). "Using a Command Language as a High-Level Programming Language". San Francisco, California, USA: Proceedings of the 2nd International Conference on Software Engineering. pp. 169–176. Archived from the original on 12 April 2020. Retrieved 12 April 2020. In addition to these variables [$n, $p, $r, $s, and $t], the following is provided: $$ contains a 5-digit number that is the unique process number of the current shell. In some circumstances, it is necessary to know the number of a process, in order to kill it, for example. However, its most common use to date has been that of generating unique names for temporary files.
The PWBshell (also known as the Mashey shell) was a Unix shell. The PWBshell was a modified (and generally constrained to be upward-compatible) version...
common UNIX utility, the restricted shell, which first appeared in PWB/UNIX; in System V Release 4, the restricted shell is often located at /usr/bin/rsh...
the RUNCOM ancestry of Unix shells. The PWBshell or Mashey shell, sh, was an upward-compatible version of the Thompson shell, augmented by John Mashey...
modifying the Thompson shell to make it more suitable for programming. The result, known as the PWBshell or the Mashey shell, included more advanced...
signatory on the Agile Manifesto John Mashey – authored PWBshell, also called Mashey shell Yukihiro Matsumoto – Ruby Conor McBride – researches type...
He worked on the PWB/UNIX operating system at Bell Labs from 1973 to 1983, authoring the PWBshell, also known as the "Mashey Shell". He then moved to...
First appeared admin SCCS Optional (XSI) Create and administer SCCS files PWB UNIX alias Misc Mandatory Define or display aliases ar Misc Mandatory Create...
Mashey Worked on the PWB/UNIX operating system at Bell Labs from 1973 to 1983, authoring the PWBshell, also known as the "Mashey Shell". John M. Chambers...
Unix commands List of DOS commands Special folder Modules Environment PWBshell Windows Registry Applications not coping properly with environment variables...
the number of libraries significantly. make – build manager (introduced in PWB/UNIX), for effectively automating the build process include – header files...
on it. The uname system call and command appeared for the first time in PWB/UNIX. Both are specified by POSIX. The GNU version of uname is included in...
from February 18, 1977. It was available with the Programmer's Workbench (PWB) edition of the operating system. Release 4 of SCCS was the first version...
version of POSIX and the Single Unix Specification. It first appeared in PWB UNIX. The version of csplit bundled in GNU coreutils was written by Stuart...
McClure (who had previously commanded the Psychological Warfare Branch (PWB/AFHQ) of U.S. General Dwight D. Eisenhower's staff for Operation Torch)....
UNIX System III was a mix of various AT&T Unix systems: Version 7 Unix, PWB/UNIX 2.0, CB UNIX 3.0, UNIX/RT and UNIX/32V. System III supported the DEC...
1978) to distinguish it from other versions internal to Bell Labs (such as PWB/UNIX and MERT) whose code-base had diverged from the primary CSRC version...
intended as a tape archiving program as part of the Programmer's Workbench (PWB/UNIX), and has been a component of virtually every Unix operating system...
printed version of the manual initially fit into a single binder, but as of PWB/UNIX and the 7th Edition of Research Unix, it was split into two volumes...
of different Unix versions both inside and outside Bell Labs, including PWB/UNIX and the first commercial Unix, IS/1. Unix still only ran on DEC systems...
1 June 2020. BP buys Burmah Castrol on BBC News, 14 March 2000 Semmens, P.W.B.; Goldfinch, A.J. (2003) [2000]. How Steam Locomotives Really Work. Oxford:...
December 2019, the English version was expanded to Latin American region. PWB Play simultaneously released it to Hong Kong, Macau, and Taiwan in October...
first ever commercially sold Unix version, INTERACTIVE's IS/1. Bell's own PWB/UNIX 1.0 was also based on V6, where earlier (unreleased) versions were based...
versions of some of them had already been picked up by PWB/UNIX. New commands: the Bourne shell, at, awk, calendar, f77, fortune, tar (replacing the tp...
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