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# Index: R

r (alias) : 2.5. The fc Command
RANDOM : 9.1.2.1. EXIT
read : 7.2.2. read
  exit status of : 7.2.2.1. Reading lines from files
  from files : 7.2.2.2. I/O Redirection and multiple commands
  options : 7.2.2.5. Options to read
    -p
      7.2.2.5. Options to read
      8.5.4. Coroutines with Two-way Pipes
      8.5.5. Two-way Pipes Versus Standard Pipes
    -r : 7.2.2.5. Options to read
    -s
      7.2.2.5. Options to read
      9.2.3.1. Commands
    -u : 7.2.2.5. Options to read
  syntax : 7.2.2. read
  from user input : 7.2.2.4. Reading User Input
    continuing on next line : 7.2.2.5. Options to read
    prompting : 7.2.2.4. Reading User Input
readonly
  6.3.4. Type and Attribute Options
  10.3.4. Privileged Mode
regular expressions
  Summary of Korn Shell Features
  4.3.2. Patterns and Regular Expressions
  A.1. The Bourne Shell
  A.4. pdksh
  ! operator
    4.3.2.1. Regular expression basics
    4.3.2.2. Korn shell versus awk/egrep regular expressions
  * operator
    4.3.2.1. Regular expression basics
    4.3.2.2. Korn shell versus awk/egrep regular expressions
  + operator
    4.3.2.1. Regular expression basics
    4.3.2.2. Korn shell versus awk/egrep regular expressions
    6.1.1. shift
  ? operator
    4.3.2.1. Regular expression basics
    4.3.2.2. Korn shell versus awk/egrep regular expressions
  @ operator
    4.3.2.1. Regular expression basics
    4.3.2.2. Korn shell versus awk/egrep regular expressions
  compared to awk and egrep : 4.3.2.1. Regular expression basics
  operator examples : 4.3.2.1. Regular expression basics
  order of evaluation in command-line processing : 7.3. Command-line Processing
  relationship to wildcards : 4.3.2.2. Korn shell versus awk/egrep regular expressions
  syntax : 4.3.2.1. Regular expression basics
relative pathnames : 1.6.1.1. The working directory
REPLY
  in read statement : 7.2.2. read
  in select statement
    5.4. select
    6.3. Arrays
restricted shell : 10.3.1. Restricted Shell
  installing as a user's login shell : 10.3.1. Restricted Shell
  restrictions : 10.3.1. Restricted Shell
  role of .profile in : 10.3.1. Restricted Shell
return : 5.1.1.1. Return
Reverse Polish Notation (RPN)
  8.5.4. Coroutines with Two-way Pipes
  8.6.2. Nested Subshells
rksh : (see security, restricted shell)
rm : 8.4.2. Process ID Variables and Temporary Files
root : 1.6.1. Directories

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