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Index: R

(alias) : The fc Command
RANDOM : EXIT
read : read
- exit status of : Reading lines from files
- from files : I/O Redirection and multiple commands
- options : Options to read
- - -p
  - -r : Options to read
  - -s
  - - Options to read
    - Commands
  - -u : Options to read
- syntax : read
- from user input : Reading User Input
- - continuing on next line : Options to read
  - prompting : Reading User Input
readonly
- Type and Attribute Options
- Privileged Mode
regular expressions
- Summary of Korn Shell Features
- Patterns and Regular Expressions
- The Bourne Shell
- pdksh
- ! operator
- - Regular expression basics
  - Korn shell versus awk/egrep regular expressions
- * operator
- - Regular expression basics
  - Korn shell versus awk/egrep regular expressions
- + operator
- ? operator
- - Regular expression basics
  - Korn shell versus awk/egrep regular expressions
- @ operator
- - Regular expression basics
  - Korn shell versus awk/egrep regular expressions
- compared to awk and egrep : Regular expression basics
- operator examples : Regular expression basics
- order of evaluation in command-line processing : Command-line Processing
- relationship to wildcards : Korn shell versus awk/egrep regular expressions
- syntax : Regular expression basics
relative pathnames : The working directory
REPLY
- in read statement : read
- in select statement
- - select
  - Arrays
restricted shell : Restricted Shell
- installing as a user's login shell : Restricted Shell
- restrictions : Restricted Shell
- role of .profile in : Restricted Shell
return : Return
Reverse Polish Notation (RPN)
- Coroutines with Two-way Pipes
- Nested Subshells
rksh : (see security, restricted shell)
rm : Process ID Variables and Temporary Files
root : Directories

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