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4 "The KornShell Command and Programming Language,"
5 by Morris Bolsky and David Korn of AT&T Bell Laboratories, ISBN 0-13-182700-6.
8 and is intended to conform to the IEEE P1003.2/ISO 9945.2 Shell and
16 The code should conform to the IEEE POSIX 1003.1 standard and to the
29 function records commands entered at any shell level and stores
34 commands and supports essentially unlimited size histories.
44 A user can capture keystrokes and rebind keys to customize the
51 specify a file descriptor for input and output
53 start up and run co-processes
57 easily format and interpret responses to a menu
63 read and echo lines ending in "\e".
77 with the same syntax and precedence.
83 Arrays: KSH-93 supports both indexed and associative arrays.
87 Shell Functions and Aliases: Two mechanisms - functions and
90 Functions allow local variables and provide scoping
92 Functions can be searched for and loaded on first reference the
97 offset and length, or by stripping off leading
99 You can also specify attributes, such as upper and lower case,
100 field width, and justification to shell variables.
103 extended regular expressions for file and string matches.
106 Compound variables can be defined and variables can
109 it to intercept assignments and references.
121 to stop and restart programs, and to move programs between the
122 foreground and the background.
126 and scripts which have the setuid and/or setgid set when
128 It is possible to log or control the execution of setuid and/or
138 "Compatibility with the Bourne Shell" and a manual page and a
139 README file.  In addition, the "New KornShell Command and Programming