Symbols & Numbers | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

## Index: T

T-shell (see tcsh shell)
t (test) command, sed editor: 34.21. The sed Test Command
table of contents, tar files: 39.2. Using tar to Create and Unpack Archives
  39.2. Using tar to Create and Unpack Archives
tables
  column -t command: 21.16. Make Columns Automatically with column
  creating with nroff and sed: 21.3. Alternatives to fmt
tabs
  as argument separators: 27.12.1. Special Characters
  filenames ending in: 8.11. Can't Access a File? Look for Spaces in the Name
  TAB characters
    added by diff command: 11.6. Problems with diff and Tabstops
    displaying with cat -t and -e options: 12.4. Show Nonprinting Characters with cat -v or od -c
    stripping in Bourne shell: 27.16. Here Documents
    window systems running vi: 18.5. Keymaps for Pasting into a Window Running vi
  TAB key, file completion and: 28.7. Don't Match Useless Files in Filename Completion
tail command: 12.8. How to Look at the End of a File: tail
  -f option: 24.9.4. Statistics of Processes by PID
    43.5. Redirection in C Shell: Capture Errors, Too?
    log file, monitoring with: 37.1.1. Use -xv
    monitoring file growth: 12.10. How to Look at Files as They Grow
  -l (lines) option: 12.9. Finer Control on tail
  -n option: 12.9. Finer Control on tail
  -r (reverse) option: 12.9. Finer Control on tail
    comparison with rot command: 21.21. Rotating Text
  c option (count characters) or b option (count blocks): 12.9. Finer Control on tail
  GNU version
    follow=name and retry options: 12.11. GNU tail File Following
    follow option: 12.11. GNU tail File Following
tail of a path name
  dirs output for C shell prompt: 4.14. dirs in Your Prompt: Better Than $cwd
  :t operator: 28.5. String Editing (Colon) Operators
talk utility: 1.21. Unix Networking and Communications
  2.7. What tty Am I On?
tape, backups to: 38.5.2. Backing Up to Tape
  cpio program: 38.13. The cpio Tape Archiver
  remote tape drives
    using GNU tar: 38.8. Using GNU tar with a Remote Tape Drive
    using tar: 38.7. Using tar to a Remote Tape Drive
  restoring files with tar: 38.6. Restoring Files from Tape with tar
    remote restoring: 38.6.2. Remote Restoring
tar utility
  absolute pathnames, avoiding: 38.11. Avoid Absolute Paths with tar
  backing up to tape: 38.5.2. Backing Up to Tape
  compression, arguments for and against: 38.5.4. To gzip, or Not to gzip?
  copying directory trees: 10.13. Copying Directory Trees with tar and Pipes
  disk space optimization and: 15.7. Save Space: tar and compress a Directory Tree
  encoding tarfiles into 7-bit: 21.12.1. uuencoding
  filename extensions: 1.12. Filename Extensions
  filename wildcards and: 33.3. Who Handles Wildcards?
  functions: 39.2. Using tar to Create and Unpack Archives
  GNU tar command
    -c and -T options: 14.17. Deleting Stale Files
    features of: 39.3. GNU tar Sampler
  making backups: 38.2. tar in a Nutshell
  online archives, creating: 39.1. Packing Up and Moving
  remote tape drive, using for backups: 38.7. Using tar to a Remote Tape Drive
  restoring files from tape: 38.6. Restoring Files from Tape with tar
    remote restoring: 38.6.2. Remote Restoring
    restoring a few files: 38.6.1. Restoring a Few Files
  tar command
    -c (create) option: 38.4. More Ways to Back Up
    -f (file) option: 38.4. More Ways to Back Up
    -I option to run bzip2: 15.7. Save Space: tar and compress a Directory Tree
    -l option (for links): 15.7. Save Space: tar and compress a Directory Tree
    -t option: 38.6.1. Restoring a Few Files
    -t or -tv options, listing files in archive: 15.7. Save Space: tar and compress a Directory Tree
    -v (verbose) option: 10.13. Copying Directory Trees with tar and Pipes
      38.4. More Ways to Back Up
    -z option to run gzip: 15.7. Save Space: tar and compress a Directory Tree
    C option: 10.13. Copying Directory Trees with tar and Pipes
    command-line arguments, order of: 38.12. Getting tar's Arguments in the Right Order
    extracting all files from archive: 15.7. Save Space: tar and compress a Directory Tree
    extracting some files from archive: 15.7. Save Space: tar and compress a Directory Tree
    options: 39.2. Using tar to Create and Unpack Archives
  unpacking archives: 30.3. My Favorite Is !$
    43.1. Using Standard Input and Output
  wildcards, using: 38.10. Using Wildcards with tar
    with GNU tar: 38.10.2. With GNU tar
Tcl: 28.18. Expect
tclsh shell: 1.6. There Are Many Shells
TCP: 46.1. TCP/IP — IP Addresses and Ports
  wrapper programs: 48.12. TCP Wrappers
tcpd daemon: 48.12. TCP Wrappers
tcpdump program: 46.4. Where, Oh Where Did That Packet Go?
TCP/IP
  IP addresses and ports, addresses: 46.1.1. Internet Protocol (IP)
  SMB traffic, mapping onto: 47.2. Installing and Configuring Samba
  TCP, UDP, and ICMP: 46.1.2. Layer 4 Protocols: TCP, UDP, and ICMP
tcp_wrappers package: 46.5. The Director of Operations: inetd
tcsh shell: 1.6. There Are Many Shells
  24.3. Managing Processes: Overall Concepts
  27.1. What the Shell Does
  27.3.3. Types of Shells
  30.13. Pass History to Another Shell
  (see also C shell)
  { } (pattern-expansion characters), building strings with: 28.4. Build Strings with { }
  aliases: 29.2. Introduction to Shell Aliases
    with command-line arguments: 29.3. C-Shell Aliases with Command-Line Arguments
  command history: 30.1. The Lessons of History
  command-line editing: 30.14.3. tcsh Editing
  completion features: 28.6. Automatic Completion
    command-specific: 28.6.3. Command-Specific Completion
  configuration files: 3.3. Shell Setup Files — Which, Where, and Why
  current directory, updating in status line: 4.8. Session Info in Window Title or Status Line
  cwdcmd alias for status line updates: 4.8. Session Info in Window Title or Status Line
  exit status of previous command: 35.12. Exit Status of Unix Processes
  > in the prompt: 1.7. Which Shell Am I Running?
  highlighting in: 4.10. Highlighting and Color in Shell Prompts
  history (see history of commands)
  history file: 30.12.2. C Shells
    timestamp-comments in: 30.13. Pass History to Another Shell
  limiting file size: 15.5.1. limit and ulimit
  loginsh variable: 3.4.1. Login Shells
  ls -F built-in command: 8.6. Color ls
    8.10. Useful ls Aliases
    LS_COLORS environment variable: 8.6.2. Configuring It
  pre-prompt commands: 4.16. Preprompt, Pre-execution, and Periodic Commands
  printexitvalue shell variable: 35.12. Exit Status of Unix Processes
  prompt, setting: 4.2. Static Prompts
  quotation marks around filenames: 10.9. Renaming, Copying, or Comparing a Set of Files
  right-side prompts: 4.11. Right-Side Prompts
  rmstar variable, confirming file deletions: 14.4. Tricks for Making rm Safer
  set echo verbose command: 5.6. Checklist: Terminal Hangs When I Log In
  special characters/operators: 27.17. "Special" Characters and Operators
  stop command: 23.7. System Overloaded? Try Stopping Some Jobs
  su f stucklogin command: 5.6. Checklist: Terminal Hangs When I Log In
    5.6. Checklist: Terminal Hangs When I Log In
  wildcards: 33.4. What if a Wildcard Doesn't Match?
    35.3. What Environment Variables Are Good For
  window name, setting and testing: 3.17. Terminal Setup: Setting and Testing Window Name
.tcshrc file
  multiline prompt showing directory stack: 4.14. dirs in Your Prompt: Better Than $cwd
  set echo verbose command: 5.6. Checklist: Terminal Hangs When I Log In
  shlvl shell variable: 4.12. Show Subshell Level with $SHLVL
.tcshrc files: 3.3. Shell Setup Files — Which, Where, and Why
tee program: 43.8. Send Output Two or More Places
  collecting output of several commands into one file: 43.9. How to tee Several Commands into One Place
  process substitution, using with: 43.10. Redirecting Output to More Than One Place
Tek Options menu (xterm): 5.17. The xterm Menus
teletype: 1.4. Communication with Unix
telnet utility: 1.21. Unix Networking and Communications
  enabling on Mac OS X: 51.1. Enabling Remote Access on Mac OS X
  logging in to host again from same terminal: 3.6. Tip for Changing Account Setup: Keep a Shell Ready
  stalled connection with: 5.6.4. Stalled Data Connection?
  suspending jobs: 23.13. Stopping Remote Login Sessions
temporary files
  filenames ending with ~: 31.11. Finding (Anyone's) Home Directory, Quickly
  handling text with: 28.15. Handling Lots of Text with Temporary Files
  history numbers, using to locate and remove: 30.7. History by Number
  redirecting output to: 37.1.1. Use -xv
  swap space on hard disk: 48.6.2. Checking Swap Space
  traps, using to clean up: 35.17. Trapping Exits Caused by Interrupts
  unique filename generation for: 8.17. Picking a Unique Filename Automatically
  vi editor, running out of space for: 17.27. Out of Temporary Space? Use Another Directory
TERM environment variable: 3.10. Automatic Setups for Different Terminals
  5.2. The Idea of a Terminal Database
  35.5. Predefined Environment Variables
  setting with tset command: 5.3. Setting the Terminal Type When You Log In
  testing with case statement: 35.10. Test String Values with Bourne-Shell case
TERM (terminate) signal: 23.3. Using jobs Effectively
  24.10. What Are Signals?
  24.13. Printer Queue Watcher: A Restartable Daemon Shell Script
  ignoring with nohup command: 23.10. nohup
  kill command, using with: 24.12. Destroying Processes with kill
  killall command, sending with: 24.16.1. killall -i
termcap database: 4.10. Highlighting and Color in Shell Prompts
  5.2. The Idea of a Terminal Database
termcap entries: 18.2.1. Command Mode Maps
TERMCAP environment variable: 5.3. Setting the Terminal Type When You Log In
  35.5. Predefined Environment Variables
  resetting with resize command: 5.5. Querying Your xterm Size: resize
terminal driver, eating backslashes before special characters: 27.18. How Many Backslashes?
terminal emulators: 1.22. The X Window System
  1.22. The X Window System
  5.2. The Idea of a Terminal Database
  terminal settings and: 5.8. Setting Your Erase, Kill, and Interrupt Characters
Terminal program (Mac OS X)
  color capabilities: 4.10. Highlighting and Color in Shell Prompts
  command-k to delete scrollback buffer: 4.17. Running Commands When You Log Out
terminal type, setting in shell setup files: 3.5. What Goes in Shell Setup Files?
terminals
  automatic setup
    environment variables, testing: 3.14. Terminal Setup: Testing Environment Variables
    terminal table, searching: 3.15. Terminal Setup: Searching Terminal Table
    testing port (tty) numbers: 3.13. Terminal Setup: Testing Port
    testing remote hostname and X display: 3.12. Terminal Setup: Testing Remote Hostname and X Display
    testing window size: 3.16. Terminal Setup: Testing Window Size
    window name, setting and testing: 3.17. Terminal Setup: Setting and Testing Window Name
  automatic setups: 3.10. Automatic Setups for Different Terminals
  capabilities of (see termcap database)
  configuring: 5.1. There's a Lot to Know About Terminals
    erase, kill, and interrupt characters: 5.8. Setting Your Erase, Kill, and Interrupt Characters
    finding terminal settings with stty command: 5.7. Find Out Terminal Settings with stty
    querying terminal type with qterm: 5.4. Querying Your Terminal Type: qterm
    size of xterm windows: 5.5. Querying Your xterm Size: resize
    terminal hangs at login, fixing: 5.6. Checklist: Terminal Hangs When I Log In
    terminal type, setting: 5.3. Setting the Terminal Type When You Log In
    xterm: 5.9. Working with xterm and Friends
  controlling terminal: 24.6. The Controlling Terminal
  /dev/tty file: 36.15. Overview: Open Files and File Descriptors
  escape sequences for nonprinting characters: 4.10. Highlighting and Color in Shell Prompts
  Gnome: 1.10. The Kernel and Daemons
  Linux virtual consoles: 4.12. Show Subshell Level with $SHLVL
    23.12. Linux Virtual Consoles
  login and nonlogin shells: 3.3. Shell Setup Files — Which, Where, and Why
  Mac OS X: 3.2. The Mac OS X Terminal Application
  outputting text from command line into: 36.26. Outputting Text to an X Window
  reading from, process groups and: 24.3. Managing Processes: Overall Concepts
  reading/writing from: 43.1. Using Standard Input and Output
  screen editors vs.: 5.2. The Idea of a Terminal Database
  settings in .cshrc.$HOST file: 3.18. A .cshrc.$HOST File for Per Host Setup
  status line: 4.8. Session Info in Window Title or Status Line
  status line, current directory information: 4.8. Session Info in Window Title or Status Line
  TERM environment varialbe: 35.3. What Environment Variables Are Good For
  termcap database: 5.2. The Idea of a Terminal Database
  TERMCAP environment variable: 35.5. Predefined Environment Variables
  terminfo database: 5.2. The Idea of a Terminal Database
  tty number for current users: 2.8. Who's On?
  tty types: 2.7. What tty Am I On?
  unkillable processes: 24.18. Cleaning Up an Unkillable Process
  windows without shells: 24.21. Terminal Windows Without Shells
  WTS, connecting to with Citrix: 47.9. Citrix: Making Windows Multiuser
terminating
  loops: 31.6. Loop Control: break and continue
  processes, signals for: 24.10. What Are Signals?
  processes, stopping vs.: 23.3. Using jobs Effectively
terminating lines (see newlines)
terminfo database: 4.10. Highlighting and Color in Shell Prompts
  5.2. The Idea of a Terminal Database
  resizing windows: 5.5. Querying Your xterm Size: resize
terminfo entries: 18.2.1. Command Mode Maps
test command: 35.26. test: Testing Files and Strings
  -a and -o (and and or) operators: 36.25. Testing Two Strings with One case Statement
  numeric tests, errors in: 37.3. Stop Syntax Errors in Numeric Tests
  sed editor, script.tidy using in: 37.8. Cleaning script Files
  string tests, syntax errors: 37.4. Stop Syntax Errors in String Tests
  versions of: 35.26. test: Testing Files and Strings
  in while loops: 35.22. Handling Arguments with while and shift
test (t) command, sed editor: 34.21. The sed Test Command
testing
  character strings using expr: 36.22. Testing Characters in a String with expr
  exit status with if statement: 35.13. Test Exit Status with the if Statement
  find command results: 9.10. Using -exec to Create Custom Tests
  interactive programs with Expect: 28.18.3. Testing: A Story
  strings with case statement: 36.25. Testing Two Strings with One case Statement
  terminal type with tset command: 5.3. Setting the Terminal Type When You Log In
TEX
  CTAN: 45.13. Formatting Markup Languages — troff, LATEX, HTML, and So On
  typesetting with: 45.13. Formatting Markup Languages — troff, LATEX, HTML, and So On
text
  analyzing, paired items, checking: 16.8. Looking for Closure
  converting files into printing language: 45.15. Converting Text Files into a Printing Language
  copying and pasting between windows running vi: 18.5. Keymaps for Pasting into a Window Running vi
  copying and pasting in xterms
    between windows: 5.21. Tips for Copy and Paste Between Windows
    large selections with xclipboard, problems with: 5.20. Problems with Large Selections
    xclipboard, using: 5.19. Working with xclipboard
  editing features in Emacs: 19.2. Emacs Features: A Laundry List
  editors for (see editors)
  empty files and: 43.12. What Can You Do with an Empty File?
  formatting for phototypesetters: 45.1. Introduction to Printing
  formatting with enscript command: 45.7. Formatting Plain Text: enscript
  formatting with pr command: 45.6. Formatting Plain Text: pr
  handling with temporary files: 28.15. Handling Lots of Text with Temporary Files
  highlighting with hgrep: 13.16. A Highlighting grep
  outputting to an X window: 36.26. Outputting Text to an X Window
  titlebars and icons, setting xterms for: 5.15. Setting the Titlebar and Icon Text
  transformations on, using sed editor: 34.13. Transformations on Text
text files
  filename extension: 1.12. Filename Extensions
  newline character in: 1.19. When Is a File Not a File?
text processing
  columns
    making automatically with column: 21.16. Make Columns Automatically with column
    making with pr: 21.15. Making Text in Columns with pr
  converting with dd utility: 21.13. Text Conversion with dd
  indenting text: 21.7. offset: Indent Text
  neatening text with fmt: 21.2. Neatening Text with fmt
  paired item checking: 16.8. Looking for Closure
  re-formatting comment lines: 21.4. Clean Up Program Comment Blocks
  removing mail/news headers: 21.5. Remove Mail/News Headers with behead
  rotating text: 21.21. Rotating Text
  selecting and cutting columns: 21.14. Cutting Columns or Fields
  splitting files by context: 21.10. Splitting Files by Context: csplit
  straightening jagged columns: 21.17. Straightening Jagged Columns
Text widget commands, editing text sent to xclilpboard: 5.19. Working with xclipboard
Text::Autoformat Perl module: 21.3. Alternatives to fmt
textual analysis, words, extracting: 16.9. Just the Words, Please
TFTP (Trivial File Transfer Protocol): 48.5. What We Mean by DoS
then statement: 35.13. Test Exit Status with the if Statement
  empty, creating with : operator: 36.6. The Unappreciated Bourne Shell ":" Operator
tilde (~) operator: 3.7. Use Absolute Pathnames in Shell Setup Files
time: 30.7. History by Number
  (see also date and time; timestamps)
  fields in crontab entries: 25.2.1. Execution Scheduling
  file changes and modifications: 8.2. The Three Unix File Times
    finding oldest or newest files by: 8.3. Finding Oldest or Newest Files with ls -t and ls -u
  of login, recording: 3.1. What Happens When You Log In
  picking to run at jobs: 25.8. Avoiding Other at and cron Jobs
  showing with history command: 30.7. History by Number
  on Unix systems: 37.6. How Unix Keeps Time
time command: 26.1. Timing Is Everything
  26.2. Timing Programs
  36.3. Don't Need a Shell for Your Script? Don't Use One
time daemon: 37.6. How Unix Keeps Time
time operators, find command (-mtime, -atime, and -ctime): 9.7. The Times That find Finds
  9.8. Exact File-Time Comparisons
Time to go now.... message: 25.9. Waiting a Little While: sleep
timeout keyword: 28.18. Expect
timestamps: 8.2. The Three Unix File Times
  arbitrary, creating files with: 9.8. Exact File-Time Comparisons
  comparing with make program: 11.10. make Isn't Just for Programmers!
  inode information: 14.2. How Unix Keeps Track of Files: Inodes
  kept by tcsh and zsh with their history: 30.7. History by Number
  listing with diff commands: 11.3. Context diffs
  listing/finding files by: 8.3. Finding Oldest or Newest Files with ls -t and ls -u
    8.8. A csh Alias to List Recently Changed Files
    8.14. Listing Files by Age and Size
  sed editor and: 34.4.2. runsed
timex command: 26.2. Timing Programs
timezones, TZ variable for: 35.5. Predefined Environment Variables
timing programs: 26.2. Timing Programs
tip program: 28.18.1. Dialback
titlebars in xterm: 5.15. Setting the Titlebar and Icon Text
/tmp directory: 40.1. /usr/bin and Other Software Directories
  history files in: 30.12.1. bash, ksh, zsh
  sharing with SMB network: 47.2. Installing and Configuring Samba
tolower command (awk): 20.10.7. Alphabetical Summary of Commands
toolkits (X Window): 6.3. X Resource Syntax
top command: 24.5. The ps Command
  26.1. Timing Is Everything
top-level domains (TLDs): 46.9. Domain Name Service (DNS)
touch command
  -i file, creating for file deletion: 14.8. Safer File Deletion in Some Directories
  creating file with arbitrary timestamp: 9.8. Exact File-Time Comparisons
toupper command (awk): 20.10.7. Alphabetical Summary of Commands
tpipe command: 43.10. Redirecting Output to More Than One Place
tr command: 16.7. Find a a Doubled Word
  21.11. Hacking on Characters with tr
  -cs options, listing words in a file: 16.9. Just the Words, Please
  -d option, deleting characters in strings: 21.11. Hacking on Characters with tr
  Berkeley vs. System V: 21.11. Hacking on Characters with tr
  converting characters: 1.8. Anyone Can Program the Shell
  filtering vi text through to convert case: 17.18. Filtering Text Through a Unix Command
  NUL-separated entries from environ file, translating to newline-separated lines: 24.9.4. Statistics of Processes by PID
  squeeze option: 21.11. Hacking on Characters with tr
  storing control characters in shell variables: 37.8. Cleaning script Files
traceroute program: 46.4. Where, Oh Where Did That Packet Go?
tracked aliases: 27.6. Controlling Shell Command Searches
  29.5. Korn-Shell Aliases
transform command (y), sed editor: 34.13. Transformations on Text
  34.15. Transforming Part of a Line
translation tables: 6.4. X Event Translations
  example: 6.4. X Event Translations
  syntax for specifying as a resource: 6.4. X Event Translations
Transport Control Protocol (see TCP TCP/IP)
trap command: 4.15. External Commands Send Signals to Set Variables
  24.11. Killing Foreground Jobs
  24.13. Printer Queue Watcher: A Restartable Daemon Shell Script
  exits caused by interrupted scripts: 35.17. Trapping Exits Caused by Interrupts
  signals for: 35.17. Trapping Exits Caused by Interrupts
trapping signals: 24.10. What Are Signals?
trash directory: 14.9. Safe Delete: Pros and Cons
trees, directory (see under directories)
troff: 45.11. A Bit of Unix Typesetting History
  45.13. Formatting Markup Languages — troff, LATEX, HTML, and So On
troubleshooting
  stalled data connections: 5.6.4. Stalled Data Connection?
  stray prompt problems: 4.5. C-Shell Prompt Causes Problems in vi, rsh, etc.
true command: 36.6. The Unappreciated Bourne Shell ":" Operator
true (exit status) utility: 35.12. Exit Status of Unix Processes
true or false values in Perl: 41.5.1. Scalars
trusted-host authentication, problems with: 51.5. General and Authentication Problems
tset command: 3.10. Automatic Setups for Different Terminals
  5.3. Setting the Terminal Type When You Log In
  key settings, changes in: 5.8. Setting Your Erase, Kill, and Interrupt Characters
  m (map) option: 5.3. Setting the Terminal Type When You Log In
    5.3. Setting the Terminal Type When You Log In
  Q (quiet) option: 5.3. Setting the Terminal Type When You Log In
TSTP (stop) signal: 24.10. What Are Signals?
tty: 1.4. Communication with Unix
tty command: 2.7. What tty Am I On?
  24.6. The Controlling Terminal
tty number
  displaying with usernames: 2.8. Who's On?
  in ps listing: 24.6. The Controlling Terminal
tty serial port, for activity monitoring: 24.2. fork and exec
tty-type virtual consoles: 23.12.1. What Are They?
ttys and ttytab files: 3.15. Terminal Setup: Searching Terminal Table
twm window manager: 47.7.2. Setting up VNC on Unix
type command: 2.6. Which Version Am I Using?
  27.9. Which One Will bash Use?
-type operator (find command): 9.12. Finding Many Things with One Command
  9.13. Searching for Files by Type
typescript file: 37.7. Copy What You Do with script
typeset -f command, listing functions you've defined: 29.11.5. Conclusion
typesetting: 45.1. Introduction to Printing
  converting typeset files into printing language: 45.16. Converting Typeset Files into a Printing Language
  manpages with nroff: 45.12. Typesetting Manpages: nroff
  overview: 45.10. Introduction to Typesetting
  Unix history of: 45.11. A Bit of Unix Typesetting History
typos, fixing with vi abbreviations: 17.25. Fixing Typos with vi Abbreviations
TZ (timezone) environment variable: 35.5. Predefined Environment Variables

Symbols & Numbers | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

Copyright © 2003 O'Reilly & Associates, Inc. All Rights Reserved.