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Index: D

daemons : 1.14. The Kernel and Daemons
controlling terminal and : 38.6. The Controlling Terminal
restarting with the kill command : 38.11. Printer Queue Watcher: A Restartable Daemon Shell Script
dashes : (see - (hyphen))
databases
created using awk : 48.10. Working with Names and Addresses
index program for creating : 48.11. The index Database Program
searching : 17.19. Finding Files (Much) Faster with a find Database
date : (see time)
date command
7.12. External Commands Send Signals to Set Variables
16.16. Picking a Unique Filename Automatically
21.14. Automatically Appending the Date to a Filename
51.10. The date Command
52.4. Quick Descriptions of What's on the Disc
cal program using : 48.7. cal That Marks Today's Date
examples : 51.10. The date Command
day-of-month in crontab entries : 40.12.1. Execution Scheduling
dbm files : 24.18. Huge Files Might Not Take a Lot of Disk Space
dc program
49.1. bc: Simple Math at the Shell Prompt
(see also calculators)
DCL : (see VAX/VMS command language)
dd command
35.6. Low-Level File Butchery with dd
52.4. Quick Descriptions of What's on the Disc
performance and : 20.6. Writing a Tape Drive on a Remote Machine
restoring from remote tape drives : 20.5. Using tar to a Remote Tape Drive
dd utility
35.12. Converting Between ASCII and EBCDIC
35.13. Other Conversions with dd
dead processes : (see zombies)
debugging
44.9. Testing Your Success
(see also errors; standard error)
Bourne shell scripts
44.8. Test Exit Status with the if Statement
46.1. Tips for Debugging Shell Scripts
echo command used for : 46.2. Quoting Trouble? Think, Then Use echo
output
46.1.1. Use -xv
(see also standard output)
piping to pager : 46.1.1. Use -xv
debugging output : 46.1.1. Use -xv
decimals, ASCII character conversion : 45.11. The Multipurpose jot Command
decryption : (see encryption)
<defunct> status under System V : 38.10. Destroying Processes with kill
DEL (to interrupt) : 41.2.1. How We Made It This Far (Back?)
del script
23.6. A Faster Way to Remove Files Interactively
52.4. Quick Descriptions of What's on the Disc
DELETE : 41.2.2. Handling Most Characters
delete command : 52.4. Quick Descriptions of What's on the Disc
delete command (awk) : 33.11.7. Alphabetical Summary of Commands
delete command (ex) : 33.4. Useful ex Commands
DELETE key
deleting on command line : 9.2. Fix a Line Faster with Line-Kill and Word-Erase
erase character : 51.6. Cleaning script Files
location for : 2.13. A .cshrc.$HOST File for Per Host Setup
delete script : 23.9. delete: Protecting Files from Accidental Deletion
deleting
directories
23.17. Problems Deleting Directories
23.18. How Making and Deleting Directories Works
50.12. Common UNIX Error Messages
errors caused by : 50.12. Common UNIX Error Messages
files
1.15. Filenames
21.11. Safer Removing, Moving, and Copying
23.2. rm and Its Dangers
23.5. Remove Some, Leave Some
23.10. Deletion with Prejudice: rm -f
45.10. Removing a File Once It's Opened - for Security and Easy Cleanup
"by : 23.21. Removing Every File but One
by last access date : 23.20. Deleting Stale Files
emptying files instead of : 24.1. Instead of Removing a File, Empty It
find command and : 23.22. Using find to Clear Out Unneeded Files
by i-number : 23.16. Removing a Strange File by its I-number
interactively : 23.6. A Faster Way to Remove Files Interactively
safeguards against
20.13. SCCS Basics
21.11. Safer Removing, Moving, and Copying
23.7. Safer File Deletion in Some Directories
23.9. delete: Protecting Files from Accidental Deletion
with special filename characters : 23.11. Deleting Files with Odd Names
with unlink command : 23.15. Using unlink to Remove a File with a Strange Name
man pages : 23.19. Deleting (BSD) Manual Pages that Aren't Read
whitespace
25.9. Adding and Deleting White Space
25.13. pushin: Squeeze Out Extra White Space
wildcards and : 23.2. rm and Its Dangers
delta command (SCCS) : 20.13. SCCS Basics
deroff command : 29.10. Just the Words, Please
detaching sessions : 3.7. Detaching a Session with screen
/dev directory : 13.1. Using Standard Input and Output
/dev/tty file
examples : 47.2.1.1. Writing Files
/dev/null file
examples
44.10.2. Looping Until a Command Fails
45.36. Shell Lockfile
/dev/null file
13.14. What Can You Do with an Empty File?
13.15. What to Do with a Full Bit Bucket :-)
/dev/tty file : 13.3. Send (only) Standard Error Down a Pipe
/dev/zero file : 13.14. What Can You Do with an Empty File?
device drivers, resetting : 38.15. Cleaning Up an Unkillable Process
device numbers : 17.22. Finding the Links to a File
df command
17.22. Finding the Links to a File
24.9. How Much Disk Space?
52.4. Quick Descriptions of What's on the Disc
examples : 45.30.4. Using sed
dialback script : 9.26.1. Dialback
dictionary files : 29.1. The UNIX spell Command
adding to : 29.5. Adding Words to ispell's Dictionary
diff command
2.14. motd.diff: Show New Lines in Login Messages
28.1. Checking Differences with diff
52.4. Quick Descriptions of What's on the Disc
(see also bdiff command; ediff script)
-c option : 28.3. Context diffs
-e option
28.1. Checking Differences with diff
28.9. ex Scripts Built by diff
example : 33.6. Change Many Files by Editing Just One
-f option : 16.22. Comparing Two Directory Trees with dircmp
-h option : 28.7. diff for Very Long Files: bdiff
-t option : 28.10. Problems with diff and Tabstops
diff3 script
28.2. Comparing Three Different Versions with diff3
52.4. Quick Descriptions of What's on the Disc
diffmk command : 28.15. Show Changes in a troff File with diffmk
dir_path script
16.21. Finding All Directories with the Same Name
52.4. Quick Descriptions of What's on the Disc
dircmp command : 16.22. Comparing Two Directory Trees with dircmp
directories : 23.18. How Making and Deleting Directories Works
!$ sequence and : 11.3. My Favorite Is !$
absolute pathnames and : 14.2. Using Relative and Absolute Pathnames
access to : 1.25. Access to Directories
advantages of : 4.7. Make More Directories!
archives/backups of
20.1. tar in a Nutshell
20.8.1. Including Other Directories
automatic setup of : 14.14. Automatic Setup When You Enter/Exit a Directory
CD-ROM packages : 52.5.3.1. Directory Structure
changing : 14.5. Saving Time When You Change Directories: cdpath
copying/moving files to : 21.12. Copying Files to a Directory
creating : 4.8. Making Directories Made Easier
current
10.9. Shell Functions
14.3. What Good Is a Current Directory?
14.4. How Does UNIX Find Your Current Directory?
14.13. Which Directory Am I in, Really?
current working : 38.3. Managing Processes: Overall Concepts
deleting
23.17. Problems Deleting Directories
50.12. Common UNIX Error Messages
directory stack : 14.6. The Shells' pushd and popd Commands
emacs hacks : 4.4. Directories for Emacs Hacks
file representation in : 18.2. What's Really in a Directory
files in : 1.19. The Tree Structure of the Filesystem
finding : 14.10. Variables Help You Find Directories and Files
home
1.20. Your Home Directory
14.11. Finding (Anyone's) Home Directory, Quickly
(see home directory)
linking : 18.7. Linking Directories
links to : 18.4.2. Links to a Directory
listing at top of screen : 21.10. Keep a Directory Listing at Top of the Screen: dirtop
listing contents of : 16.8. The ls -d Option
matching with wildcards : 15.10. Wildcards that Match Only Directories
names of : 45.18.1. Introduction to basename and dirname
notification of change to : 21.8.1.3. Watching Directories
ownership
22.2.1. User, Group, and World
22.3. Who Will Own a New File?
parsing from pathnames : 16.17. Getting Directory Name from a File's Pathname
permissions
21.14. Automatically Appending the Date to a Filename
(see permissions)
printing files to : 9.5. Build Strings with { }
private
4.5. Private (Personal) Directories
4.7. Make More Directories!
redundantly named : 16.21. Finding All Directories with the Same Name
remotely mounted : 5.6. Checklist: Terminal Hangs When I Log In
root : (see root directory)
safer file deletion in : 23.7. Safer File Deletion in Some Directories
in search path : 8.7. Setting Your Search Path
subdirectories : 1.20. Your Home Directory
creating : 9.5. Build Strings with { }
links in : 18.4.2. Links to a Directory
listing with ls -R : 16.4. List All Subdirectories with ls -R
on tape drives : 20.4.1. Restoring a Few Files
temporary files : (see /tmp directory)
temporary changes in : 13.7.2. Temporary Change of Directory and Environment
trees of
16.19. stree: Simple Directory Tree
16.22. Comparing Two Directory Trees with dircmp
16.23. Comparing Filenames in Two Directory Trees
(see trees, directory)
find command and : 17.2. Delving Through a Deep Directory Tree
trimming : 24.15. Trimming a Directory
"directory not empty" error message : 50.12. Common UNIX Error Messages
directory stacks : 14.6. The Shells' pushd and popd Commands
in arrays : 47.5. Using C Shell Arrays
directory structure : 52.5.3.1. Directory Structure
dirname command
16.17. Getting Directory Name from a File's Pathname
45.18. Using basename and dirname
52.4. Quick Descriptions of What's on the Disc
bugs in : 45.18.1. Introduction to basename and dirname
examples : 45.18. Using basename and dirname
loops using : 45.18.2. Use with Loops
dirs command
14.6. The Shells' pushd and popd Commands
14.13. Which Directory Am I in, Really?
output in prompt setting : 7.11. dirs in Your Prompt: Better than $cwd
dirtop script
21.10. Keep a Directory Listing at Top of the Screen: dirtop
52.4. Quick Descriptions of What's on the Disc
disk bandwidth issues
forms : 39.12.3. The I/O Subsystem
disk quotas
22.20. Why Can't You Change File Ownership Under BSD UNIX?
24.17. Disk Quotas
disk space
compressed files and : (see compressed files)
emptyig files and : 24.1. Instead of Removing a File, Empty It
hard links vs. symbolic links : 14.14. Automatic Setup When You Enter/Exit a Directory
links and : 24.4. Save Space with a Link
log files and : 24.2. Save Space with Bit Bucket Log Files and Mailboxes
memory contention : 39.12.2. The Memory Subsystem
reports on : 24.9. How Much Disk Space?
strip command and : 24.13. Save Space in Executable Files with strip
trimming directories and : 24.15. Trimming a Directory
unlinking open files and : 24.3. Unlinking Open Files Isn't a Good Idea
vtree program and : 16.20. The vtree Visual Directory Tree Programs
DISPLAY environment variable
2.12. Automatic Setups for Different Terminals
6.3. Predefined Environment Variables
display, vis compared to : 51.7. When You Get Impatient
ditroff program : 43.13. The Text Formatters nroff, troff, ditroff, ...
do command (awk) : 33.11.7. Alphabetical Summary of Commands
doctor program : 32.13. An Absurd Amusement
documentation : (see manual pages)
dollar sign : (see $)
done command : 50.3. apropos on Systems Without apropos
dot : (see .)
dot files : 16.11. Showing Hidden Files with ls -A and -a
matching with wildcards : 15.5. Matching All "Dot Files" with Wildcards
double quotes : (see ")
double-spacing text : 25.12. Double Space, Triple Space ...
doublespace script : 52.4. Quick Descriptions of What's on the Disc
Dougherty, Dale : 1.7. Power Grows on You
du command
24.9. How Much Disk Space?
52.4. Quick Descriptions of What's on the Disc
dump utility : 1.23. File Access Permissions
dup, file descriptors : 47.2.1.1. Writing Files
duplicate lines, deleting
35.20. Quick Reference: uniq
36.6. Miscellaneous sort Hints
DVI format documentation : 52.5.3.4. Installing a Single Program


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