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Index: R

rand command (awk) : 33.11.7. Alphabetical Summary of Commands
random number generator
in Bourne shells : 45.11. The Multipurpose jot Command
in C shells : 45.11. The Multipurpose jot Command
jot used for : 45.11. The Multipurpose jot Command
raw mode : 41.2.1. How We Made It This Far (Back?)
rcp command : 1.33. UNIX Networking and Communications
-r option : 18.15. Copying Directory Trees with cp -r
RCS (Revision Control System)
20.12. Protecting Files with SCCS or RCS
20.14. RCS Basics
52.4. Quick Descriptions of What's on the Disc
paging through RCS files : 25.5. Page Through Compressed, RCS, Unprintable Files
searching files : 27.10. Search RCS Files with rcsgrep
rcsegrep.fast script : 52.4. Quick Descriptions of What's on the Disc
rcsgrep script
27.10. Search RCS Files with rcsgrep
52.4. Quick Descriptions of What's on the Disc
rcsless script : 52.4. Quick Descriptions of What's on the Disc
rcsmore script : 52.4. Quick Descriptions of What's on the Disc
rcspg script : 52.4. Quick Descriptions of What's on the Disc
rcsrevs script
20.15. List RCS Revision Numbers with rcsrevs
52.4. Quick Descriptions of What's on the Disc
RD (Receive Data) light : 42.2.4. Stalled Data Connection?
read( ) : 20.6. Writing a Tape Drive on a Remote Machine
read command
9.12. The Bourne Shell for Loop
44.13. read: Reading from the Keyboard
examples : 44.13. read: Reading from the Keyboard
while loops using
45.16. Standard Input to a for Loop
45.22. Handling Files Line-by-Line
read command (ex) : 33.4. Useful ex Commands
read permission
22.2. Tutorial on File and Directory Permissions
22.19. Shell Scripts Must be Readable and (Usually) Executable
execute permission without : 22.12. A Directory that People Can Access but Can't List
read-only files : 22.9. Protect Important Files: Make Them Unwritable
read.base program : 48.10. Working with Names and Addresses
README files : 52.8.2.6. An Easy Build
Ready-to-Run Software
52.5.5. What to Do if You Have Problems
52.7.1. Alternative Media
52.8.2.1. Copying the Sources
contacting : 52.9. Software Support from RTR
software support : 52.9. Software Support from RTR
technical support : 52.8.1.2. Problems
real memory, maximum amount of : 39.3. The csh time variable
real-time priorities : 39.9. Know When to Be "nice" to OTher Users...and When
real-time submission : 39.9.3. System V C Shell nice
recomment script
35.4. recomment: Clean Up Program Comment Blocks
52.4. Quick Descriptions of What's on the Disc
recovering files : 30.24. vi/ex File Recovery vs. Networked Filesystems
recursive aliases : 10.6. Avoiding C Shell Alias Loops
redirecting
csh and : 13.5. Redirection in C Shell: Capture Errors, Too?
file descriptors : 45.21. n>&m: Swap Standard Output and Standard Error
I/O loops : 45.22. Handling Files Line-by-Line
loops : 45.23. The Ins and Outs of Redirected I/O Loops
noclobber variable : 6.9. Special C Shell Variables
standard error
45.20. Overview: Open Files and File Descriptors
45.21. n>&m: Swap Standard Output and Standard Error
47.2.1.1. Writing Files
standard input
1.30. Redirecting Input and Output
13.1. Using Standard Input and Output
45.20. Overview: Open Files and File Descriptors
47.2.1.2. Reading Files
standard output
1.30. Redirecting Input and Output
13.1. Using Standard Input and Output
45.20. Overview: Open Files and File Descriptors
45.21. n>&m: Swap Standard Output and Standard Error
tee program : 13.9. Send Output Two or More Places with tee
while loops : 45.22. Handling Files Line-by-Line
redirecting input/output
tpipe command for : 13.11. tpipe-Redirecting stdout to More than One Place
redo script
11.14.1. In the C Shell: redo
52.4. Quick Descriptions of What's on the Disc
redraw screen command : 42.5. Checklist: Screen Size Messed Up?
regular expressions
21.14. Automatically Appending the Date to a Filename
26.1. That's an Expression
26.3. Understanding Expressions
(see also pattern matching)
extended : 26.4.11. Extended Regular Expressions
metacharacters
for different UNIX programs : 26.9. Valid Metacharacters for Different UNIX Programs
examples of : 26.8. I Never Meta Character I Didn't Like
metacharacters in
8.19. "Special" Characters and Operators
26.4. Using Metacharacters in Regular Expressions
26.10. Pattern Matching Quick Reference with Examples
pattern context : 26.5. Getting Regular Expressions Right
pattern matching quick reference : 26.10. Pattern Matching Quick Reference with Examples
testing : 26.6. Just What Does a Regular Expression Match?
wildcards versus : 26.2. Don't Confuse Regular Expressions with Wildcards
rehash command : 4.2. A bin Directory for Your Programs and Scripts
examples : 44.2. Writing a Simple Shell Program
relational operators : (see operators, relational))
relative pathnames
1.21. Making Pathnames
2.6. Use Absolute Pathnames in Shell Setup Files
14.2. Using Relative and Absolute Pathnames
14.3. What Good Is a Current Directory?
18.6. Stale Symbolic Links
in angle brackets : 52.8.2.7. Functions, Libraries, and Header Files
relink script
18.14. Relinking Multiple Symbolic Links
52.4. Quick Descriptions of What's on the Disc
reminder mail, sending : 40.11. Send Yourself Reminder Mail
remote
directories : 5.6. Checklist: Terminal Hangs When I Log In
echo : 41.2.1. How We Made It This Far (Back?)
restoration from backups : 20.4.2. Remote Restoring
tape drives
20.5. Using tar to a Remote Tape Drive
20.6. Writing a Tape Drive on a Remote Machine
removing
command-line arguments : 44.15.2. With a Loop
open files : 45.10. Removing a File Once It's Opened - for Security and Easy Cleanup
self-removing scripts
45.4. Fun with #!
45.10. Removing a File Once It's Opened - for Security and Easy Cleanup
removing files : (see deleting files)
ren command : 52.4. Quick Descriptions of What's on the Disc
ren script : 18.11. Renaming Files with ren
rename script
18.10. There's More than One Way to Do It
52.4. Quick Descriptions of What's on the Disc
renaming files
18.2. What's Really in a Directory
18.9. Renaming, Copying, or Comparing a Set of Files
(see also copying files; moving files)
interactively : 18.12. Renaming a List of Files Interactively
renice command
12.5. System Overloaded? Try Stopping Some Jobs
39.9. Know When to Be "nice" to OTher Users...and When
39.11. Changing a Job's Priority Under BSD UNIX
rep command vs. vis command : 51.7. When You Get Impatient
repeat command : 9.25. The C Shell repeat Command
repeating commands : 11.8. Repeating a Cycle of Commands
report, summarizing execution statistics : 38.5. The ps Command
reset command : 5.11. Initializing the Terminal with tset
resetting terminals : 42.4. Checklist for Resetting a Messed Up Terminal
resident text pages, average kilobytes of : 39.3. The csh time variable
resize (xterm) command : 42.5. Checklist: Screen Size Messed Up?
resources
contention issues : 39.12. What Makes Your Computer Slow? How Do You Fix It?
overloaded : 12.5. System Overloaded? Try Stopping Some Jobs
restart command (lpc) : 43.3. Printer Control with lpc
restarting at jobs automatically : 40.8. Automatically Restarting at Jobs
RETURN characters : (see newline characters)
return command (awk) : 33.11.7. Alphabetical Summary of Commands
RETURN key, not needed with commands : 45.32. A Better read Command: grabchars
revision control programs
file versions and : 1.15. Filenames
Revision Control System : (see RCS)
revision marks : (see execute permissions)
.rhosts file : 20.5. Using tar to a Remote Tape Drive
right angle bracket : (see >)
rlogin utility
1.33. UNIX Networking and Communications
2.4. Tip for Changing Account Setup: Keep a Shell Ready
2.12. Automatic Setups for Different Terminals
stalled connection with : 42.2.4. Stalled Data Connection?
rm command
23.2. rm and Its Dangers
52.4. Quick Descriptions of What's on the Disc
-b option : 21.11. Safer Removing, Moving, and Copying
-f option
23.10. Deletion with Prejudice: rm -f
44.12. Trapping Exits Caused by Interrupts
-i option
21.11. Safer Removing, Moving, and Copying
23.4. Answer "Yes" or "No" Forever with yes
23.5. Remove Some, Leave Some
23.7. Safer File Deletion in Some Directories
rmdir command
23.17. Problems Deleting Directories
52.4. Quick Descriptions of What's on the Disc
root directory
1.19. The Tree Structure of the Filesystem
1.21. Making Pathnames
installation process and : 52.8.2.6. An Easy Build
root user
password for
1.23. File Access Permissions
1.24. The Superuser (Root)
su command and : (see su command)
rot program
35.23. Rotating Text
52.4. Quick Descriptions of What's on the Disc
rotating text : 30.22.2. Filtering Text with vi
rprnt character : 9.3. Reprinting Your Command Line with CTRL-r
rprnt key : 5.9. Setting Your Erase, Kill, and Interrupt Characters
rsh utility
1.33. UNIX Networking and Communications
20.6. Writing a Tape Drive on a Remote Machine
restoring from remote tape drives : 20.5. Using tar to a Remote Tape Drive
rtrpatch.pcal file : 52.8.2.5. Applying Patches
RTS (Request to Send) : 41.2.4. Flow Control (We Hope)
RTS/CTS flow control : 41.2.4. Flow Control (We Hope)
runsed script
4.3. Organizing Nonexecutable Scripts
34.3.2. runsed
52.4. Quick Descriptions of What's on the Disc
runtime script
39.4. Average Command Runtimes with runtime
52.4. Quick Descriptions of What's on the Disc


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