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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
- controlling terminal and
: 38.6. The Controlling Terminal
- 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
- index program for creating : 48.11. The index Database Program
- created using awk
: 48.10. Working with Names and Addresses
- 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
- 16.16. Picking a Unique Filename Automatically
- 7.12. External Commands Send Signals to Set Variables
- 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
- dbm files : 24.18. Huge Files Might Not Take a Lot of Disk Space
- 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
- 52.4. Quick Descriptions of What's on the Disc
- 35.6. Low-Level File Butchery with dd
- dd utility
- dead processes
: (see zombies)
- debugging
- 44.9. Testing Your Success
- (see also errors; standard error)
- Bourne shell scripts
- (see also errors; standard error)
- echo command used for
: 46.2. Quoting Trouble? Think, Then Use echo
- output
- 46.1.1. Use -xv
- (see also standard output)
- 46.1.1. Use -xv
- piping to pager : 46.1.1. Use -xv
- 44.9. Testing Your Success
- 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
- decimals, ASCII character conversion : 45.11. The Multipurpose jot Command
- 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
- delete command : 52.4. Quick Descriptions of What's on the Disc
- 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
- erase character : 51.6. Cleaning script Files
- deleting on command line
: 9.2. Fix a Line Faster with Line-Kill and Word-Erase
- delete script
: 23.9. delete: Protecting Files from Accidental Deletion
- deleting
- directories
- 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
- 21.11. Safer Removing, Moving, and Copying
- 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
- 1.15. Filenames
- man pages
: 23.19. Deleting (BSD) Manual Pages that Aren't Read
- whitespace
- 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
- deroff command : 29.10. Just the Words, Please
- /dev/tty file
- examples : 47.2.1.1. Writing Files
- /dev/null file
- /dev/null file
- /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
- device numbers : 17.22. Finding the Links to a File
- 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 command)
- -c option : 28.3. Context diffs
- -e option
- 28.1. Checking Differences with 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
- -f option : 16.22. Comparing Two Directory Trees with dircmp
- 2.14. motd.diff: Show New Lines in Login Messages
- diff3 script
- diffmk command
: 28.15. Show Changes in a troff File with diffmk
- dir_path script
- 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
- absolute pathnames and : 14.2. Using Relative and Absolute Pathnames
- 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
- CD-ROM packages : 52.5.3.1. Directory Structure
- current working
: 38.3. Managing Processes: Overall Concepts
- deleting
- 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
- emacs hacks : 4.4. Directories for Emacs Hacks
- 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
- links to : 18.4.2. Links to a Directory
- parsing from pathnames
: 16.17. Getting Directory Name from a File's Pathname
- permissions
- printing files to
: 9.5. Build Strings with { }
- private
- 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
- remotely mounted : 5.6. Checklist: Terminal Hangs When I Log In
- 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
- links in : 18.4.2. Links to a Directory
- creating
: 9.5. Build Strings with { }
- 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
- temporary files : (see /tmp directory)
- trimming : 24.15. Trimming a Directory
- !$ sequence and
: 11.3. My Favorite Is !$
- "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
- dirs command
- dirtop script
- disk bandwidth issues
- forms : 39.12.3. The I/O Subsystem
- 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
- emptyig files and : 24.1. Instead of Removing a File, Empty It
- compressed files and
: (see compressed files)
- DISPLAY environment variable
- 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
- ditroff program : 43.13. The Text Formatters nroff, troff, ditroff, ...
- 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
- double-spacing text : 25.12. Double Space, Triple Space ...
- dump utility
: 1.23. File Access Permissions
- dup, file descriptors : 47.2.1.1. Writing Files
- duplicate lines, deleting
- dup, file descriptors : 47.2.1.1. Writing Files
- DVI format documentation : 52.5.3.4. Installing a Single Program
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