Symbols
| 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: U
- UIDs
: (see user IDs)
- ul command
: UNIX Power Tools, 43.18. How nroff Makes Bold and Underline; How to Remove It
- ulimit
- Learning the Korn Shell, 10.2.2. ulimit
- Learning the Korn Shell, A.1. The Bourne Shell
- UNIX in a Nutshell, Chapter 4, Reference: ulimit
- Ultrix
- Learning the Korn Shell, 1. Korn Shell Basics
- Learning the Korn Shell, 1.3. History of UNIX Shells
- Learning the Korn Shell, 1.9.5. Control Keys
- umask command
- Learning the Korn Shell, 10.2.1. umask
- Learning the Korn Shell, A.6. Workalikes on PC Platforms
- Learning the UNIX Operating System, 3.6. Customizing Your Account
- UNIX Power Tools, 14.14. Automatic Setup When You Enter/Exit a Directory
- UNIX Power Tools, 22.2.1. User, Group, and World
- UNIX Power Tools, 22.4. Setting an Exact umask
- UNIX Power Tools, 45.36. Shell Lockfile
- UNIX Power Tools, 52.5.3.3. Running Install
- UNIX in a Nutshell, Chapter 2, Reference: umask
- UNIX in a Nutshell, Chapter 4, Reference: umask
- UNIX in a Nutshell, Chapter 5, Reference: umask
- (see also chmod)
- as logical XOR with file permission
: Learning the Korn Shell, 10.2.1. umask
- setting in shell scripts
: UNIX Power Tools, 38.4. Subshells
- unabbreviate command (ex)
: UNIX in a Nutshell, Chapter 9, Reference: unabbreviate
- unalias
- Learning the Korn Shell, 3.2.1. Tracked Aliases
- UNIX in a Nutshell, Chapter 4, Reference: unalias
- UNIX in a Nutshell, Chapter 5, Reference: unalias
- UNIX in a Nutshell, Chapter 20, Reference: unalias
- uname command
- UNIX Power Tools, 50.7. How UNIX Systems Remember Their Name
- UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
- UNIX in a Nutshell, Chapter 2, Reference: uname
- unarchiving
: (see archives)
- uncluttering logins
: UNIX Power Tools, 2.15. Unclutter Logins: Show Login Messages Just Once
- uncompress
- Learning the Korn Shell, 1.8. Background Jobs
- UNIX Power Tools, 52.8.1.1. Missing Programs
- UNIX Power Tools, 52.8.2.2. Uncompressing the Sources
- UNIX in a Nutshell, Chapter 2, Reference: uncompress
- UNIX in a Nutshell, Chapter 2, Reference: zcat
- undelete program
: UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
- underlined text
: UNIX Power Tools, 43.18. How nroff Makes Bold and Underline; How to Remove It
- underscore (_) in filenames
: UNIX Power Tools, 1.15. Filenames
- undisplay command (dbx)
: UNIX in a Nutshell, Chapter 20, Reference: undisplay
- undo command (ex)
: UNIX in a Nutshell, Chapter 9, Reference: undo
- undoing
- emacs
: UNIX in a Nutshell, 7.2.5. Stopping and Undoing Commands
- vi
- Learning the vi Editor, 2.3.5.4. Problems with Deletions
- Learning the vi Editor, 2.3.8. Repeating or Undoing Your Last Command
- Learning the vi Editor, 2.3.8.2. Undo
- Learning the vi Editor, 6.1. Confirming Substitutions
- UNIX Power Tools, 30.8. Get Back What You Deleted with Numbered Buffers
- UNIX Power Tools, 30.10. Confirming Substitutions in ex and vi
- UNIX Power Tools, 30.38. Finding Your Place with Undo
- unedit command (SCCS)
- UNIX Power Tools, 20.13. SCCS Basics
- UNIX in a Nutshell, 17.6.2. Pseudo-commands
- unexpand command
- UNIX Power Tools, 41.4.1. TAB Is Just Another Character to UNIX
- UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
- filtering within vi
: UNIX Power Tools, 31.5. Keymaps for Pasting into a Window Running vi
- unexpand script
: UNIX Power Tools, 24.6. Save Space with Tab Characters
- unget command (SCCS)
: UNIX in a Nutshell, Chapter 17, Reference: unget
- unhash command (csh)
: UNIX in a Nutshell, Chapter 5, Reference: unhash
- union metacharacter, lack of
: sed & awk, 3.2.9. Alternative Operations
- union of regular expressions
- sed & awk, 3.2. A Line-Up of Characters
- sed & awk, 3.2.9. Alternative Operations
- uniq command
- UNIX Power Tools, 35.20. Quick Reference: uniq
- UNIX Power Tools, 50.3. apropos on Systems Without apropos
- UNIX in a Nutshell, Chapter 2, Reference: uniq
- units command
: UNIX in a Nutshell, Chapter 2, Reference: units
- units of measurements (nroff/troff)
: UNIX in a Nutshell, 12.3.2. Specifying Measurements
- UNIX
- accessing other platforms
: Learning the UNIX Operating System, 4.4.6. Files on Other Operating Systems
- advantages
- UNIX Power Tools, 1.1. What's Special About UNIX?
- UNIX Power Tools, 1.7. Power Grows on You
- UNIX Power Tools, 1.26. What a Multiuser System Can Do for You
- UNIX Power Tools, 44.1. Everyone Should Learn Some Shell Programming
- UNIX Power Tools, 52.3. Shrink-Wrapped Software for UNIX
- binary programs
: UNIX Power Tools, 52.8.2. Compiling Source Code
- bundling software packages
: UNIX in a Nutshell, 1.2. Bundling
- command reference
: Learning the UNIX Operating System, B.1. Commands and Their Meanings
- Command Syntax Standard Rules
: Learning the Korn Shell, 6.1.3. getopts
- definition of priority
: UNIX Power Tools, 39.9. Know When to Be "nice" to OTher Users...and When
- documentation
- Learning the Korn Shell, 4.3.1. Syntax of String Operators
- Learning the UNIX Operating System, 7.1. Standard UNIX Documentation
- drawbacks of
: UNIX Power Tools, 1.34. What's Wrong with UNIX
- environment
: Learning the UNIX Operating System, 1.1. Working in the UNIX Environment
- filenames in BSD
: Learning the Korn Shell, 7.2.2.3. Code blocks
- filenames in System V
- Learning the Korn Shell, 6.3.3. String Formatting Options
- Learning the Korn Shell, 7.2.2.3. Code blocks
- flexible handling of TAB characters
: UNIX Power Tools, 41.4. How UNIX Handles TAB Characters
- identifying versions
: UNIX Power Tools, 50.8. Which Version Am I Using?
- interprocess communication in
: Learning the Korn Shell, 8.3. Signals
- networking and communications utilities
: UNIX Power Tools, 1.33. UNIX Networking and Communications
- platforms
: UNIX Power Tools, 52.3. Shrink-Wrapped Software for UNIX
- Programmer's Manual
- Learning the Korn Shell, 8. Process Handling
- Learning the Korn Shell, 8.3.3.2. BSD
- references for
: Learning the UNIX Operating System, A.1. General UNIX Books
- security
: (see security)
- shells
: (see shells)
- shell history
: Learning the Korn Shell, 1.3. History of UNIX Shells
- starting X from
: Learning the UNIX Operating System, 2.2.2. B. Starting X from a Standard UNIX Session
- terminal interface
- Learning the Korn Shell, 2. Command-line Editing
- Learning the Korn Shell, 2.3.4. Moving Around in the History File
- Learning the Korn Shell, 2.3.6. Miscellaneous Commands
- Learning the Korn Shell, 2.4. Vi Editing Mode
- time on
: UNIX Power Tools, 39.1. Which Time Is It?
- two main branches of
: UNIX Power Tools, 41.2.1. How We Made It This Far (Back?)
- utilities
: Learning the Korn Shell, 1.7.1. Standard I/O
- versions
- Learning the UNIX Operating System, Versions of UNIX
- UNIX Power Tools, About UNIX Versions
- UNIX in a Nutshell, 1.1. Merging the Traditions
- A/UX
- Learning the Korn Shell, 1. Korn Shell Basics
- Learning the Korn Shell, 1.9.5. Control Keys
- AIX
- Learning the Korn Shell, 1. Korn Shell Basics
- Learning the Korn Shell, 8.3.3. ps
- BSD
- Learning the Korn Shell, 1.3. History of UNIX Shells
- Learning the Korn Shell, 1.9.5. Control Keys
- Learning the Korn Shell, 2.3.4. Moving Around in the History File
- Learning the Korn Shell, 2.3.6. Miscellaneous Commands
- Learning the Korn Shell, 2.4. Vi Editing Mode
- Learning the Korn Shell, 3.4. Shell Variables
- Learning the Korn Shell, 3.4.2.2. Mail Variables
- Learning the Korn Shell, 4.4. Command Substitution
- Learning the Korn Shell, 7.2.2.3. Code blocks
- Learning the Korn Shell, 8.3. Signals
- Learning the Korn Shell, 8.3.3. ps
- Learning the Korn Shell, 8.3.3.2. BSD
- Learning the Korn Shell, 9.2.3.3. Breakpoints
- Learning the Korn Shell, A.2. The IEEE 1003.2 POSIX Shell Standard
- Learning the Korn Shell, A.4. pdksh
- HP/UX
- Learning the Korn Shell, 1. Korn Shell Basics
- Learning the Korn Shell, 1.9.5. Control Keys
- Learning the Korn Shell, 8.3.3. ps
- SCO
: Learning the Korn Shell, 1.9.5. Control Keys
- SunOS
- Learning the Korn Shell, 1. Korn Shell Basics
- Learning the Korn Shell, 1.3. History of UNIX Shells
- Learning the Korn Shell, 1.9.5. Control Keys
- Learning the Korn Shell, 4.4. Command Substitution
- Learning the Korn Shell, 8.3.3. ps
- Learning the Korn Shell, A.1. The Bourne Shell
- Learning the Korn Shell, A.3. wksh
- Learning the Korn Shell, A.4. pdksh
- System III
- Learning the Korn Shell, 1.9.5. Control Keys
- Learning the Korn Shell, 8.2. Job Control
- System V
- Learning the Korn Shell, 1.9.5. Control Keys
- Learning the Korn Shell, 3.4. Shell Variables
- Learning the Korn Shell, 3.4.2.4. Terminal Types
- Learning the Korn Shell, 6.3.3. String Formatting Options
- Learning the Korn Shell, 7.2.2.3. Code blocks
- Learning the Korn Shell, 8.2. Job Control
- Learning the Korn Shell, 8.3. Signals
- Learning the Korn Shell, 8.3.3. ps
- Learning the Korn Shell, 9.2.3.3. Breakpoints
- Learning the Korn Shell, A.2. The IEEE 1003.2 POSIX Shell Standard
- System V Release 4
- Learning the Korn Shell, Korn Shell Versions
- Learning the Korn Shell, 1.3.1. The Korn Shell
- Learning the Korn Shell, 1.4. Getting the Korn Shell
- Learning the Korn Shell, 6.1.3.1. More About C Compilers
- Learning the Korn Shell, A.3. wksh
- that don't support job control
: Learning the Korn Shell, 8.2. Job Control
- Ultrix
- Learning the Korn Shell, 1. Korn Shell Basics
- Learning the Korn Shell, 1.3. History of UNIX Shells
- Learning the Korn Shell, 1.9.5. Control Keys
- Learning the Korn Shell, 8.3.3. ps
- UTS
: Learning the Korn Shell, 1. Korn Shell Basics
- Version 6
: Learning the Korn Shell, 4.3.2. Patterns and Regular Expressions
- Version 7
- Learning the Korn Shell, 1.3. History of UNIX Shells
- Learning the Korn Shell, A.1. The Bourne Shell
- Learning the Korn Shell, A.2. The IEEE 1003.2 POSIX Shell Standard
- Learning the Korn Shell, A.4. pdksh
- Xenix
- Learning the Korn Shell, 1. Korn Shell Basics
- Learning the Korn Shell, 1.9.5. Control Keys
- Learning the Korn Shell, 8.2. Job Control
- workalikes
: Learning the Korn Shell, A.6. Workalikes on PC Platforms
- xterm windows
: (see xterms)
- UNIX commands
: Learning the Korn Shell, C.4. UUCP
- compare files (diff)
: Learning the vi Editor, 7.4.5. ex Scripts Built by diff
- execute from vi
: Learning the vi Editor, 7.2. Executing UNIX Commands
- filter text through
: Learning the vi Editor, 7.2.1. Filtering Text Through a Command
- UNIX System Laboratories (USL)
- Learning the Korn Shell, 1.3.1. The Korn Shell
- Learning the Korn Shell, A.3. wksh
- Learning the Korn Shell, A.7. The Future of the Korn Shell
- address and phone number
: Learning the Korn Shell, A.3. wksh
- unkillable processes, cleaning up
: UNIX Power Tools, 38.15. Cleaning Up an Unkillable Process
- unlimit command (csh)
: UNIX in a Nutshell, Chapter 5, Reference: unlimit
- unlimit coredumpsize command
: UNIX Power Tools, 24.5. Limiting File Sizes
- unlink command
: UNIX Power Tools, 23.15. Using unlink to Remove a File with a Strange Name
- unlinking files
: UNIX Power Tools, 24.3. Unlinking Open Files Isn't a Good Idea
- unmap command (ex)
: UNIX in a Nutshell, Chapter 9, Reference: unmap
- unpack command
- UNIX in a Nutshell, Chapter 2, Reference: unpack
- (see also pack command; pcat command)
- unprintable characters
: (see special characters)
- unprintable files
: UNIX Power Tools, 25.5. Page Through Compressed, RCS, Unprintable Files
- unset
- UNIX in a Nutshell, Chapter 4, Reference: unset
- UNIX in a Nutshell, Chapter 5, Reference: unset
- UNIX in a Nutshell, Chapter 20, Reference: unset
- in POSIX shell
: Learning the Korn Shell, A.2. The IEEE 1003.2 POSIX Shell Standard
- unset variable errors
: UNIX Power Tools, 40.4. Choosing the Shell Run (We Hope) by at
- unsetenv command
- UNIX Power Tools, 6.1. What Environment Variables Are Good For
- UNIX in a Nutshell, Chapter 5, Reference: unsetenv
- unshar program
- UNIX Power Tools, 19.3. unshar: Unarchive a Shell Archive
- UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
- UNIX Power Tools, 52.8.1.1. Missing Programs
- UNIX Power Tools, 52.8.2.4. Unsharring the Sources
- unshar software
: UNIX Power Tools, 52.8.2.4. Unsharring the Sources
- untarring software
: UNIX Power Tools, 52.8.2.3. Untarring the Sources
- unterrupt characters
: UNIX Power Tools, 5.9. Setting Your Erase, Kill, and Interrupt Characters
- until
- Learning the Korn Shell, 5.4. select
- Learning the Korn Shell, 5.5. while and until
- UNIX Power Tools, 44.10.1. Looping Until a Command Succeeds
- UNIX in a Nutshell, Chapter 4, Reference: until
- in Bourne shells
: UNIX Power Tools, 44.10.1. Looping Until a Command Succeeds
- differences with while
: Learning the Korn Shell, 5.5. while and until
- examples
: UNIX Power Tools, 44.10.1. Looping Until a Command Succeeds
- redirecting I/O to
: Learning the Korn Shell, 7.2.2.2. I/O Redirection and multiple commands
- syntax
: Learning the Korn Shell, 5.5. while and until
- while loops compared to
: UNIX Power Tools, 44.10.2. Looping Until a Command Fails
- up command (dbx)
: UNIX in a Nutshell, Chapter 20, Reference: up
- updateb script
: UNIX Power Tools, 17.19. Finding Files (Much) Faster with a find Database
- uppercase
: (see case)
- uptime command
- UNIX Power Tools, 39.7. Checking System Load: uptime
- UNIX in a Nutshell, Chapter 2, Reference: uptime
- average reported by
: UNIX Power Tools, 39.12.1. The CPU
- usage information
- UNIX in a Nutshell, Chapter 2, Reference: time
- UNIX in a Nutshell, Chapter 2, Reference: timex
- UNIX in a Nutshell, Chapter 2, Reference: w
- use command (dbx)
: UNIX in a Nutshell, Chapter 20, Reference: use
- USENET
: UNIX Power Tools, 1.33. UNIX Networking and Communications
- comp.binaries.os2 newsgroup
: Learning the Korn Shell, A.6. Workalikes on PC Platforms
- comp.sources.unix newsgroup
: Learning the Korn Shell, A.4. pdksh
- $USER, examples
: UNIX Power Tools, 48.4.3. Automating Your Own Calendar
- user dictionaries
: (see dictionary files)
- USER environment variable
- UNIX Power Tools, 6.3. Predefined Environment Variables
- UNIX Power Tools, 6.9. Special C Shell Variables
- UNIX in a Nutshell, 5.3.5. Environment Variables
- in C shell
: UNIX Power Tools, 47.2.5. Variable Syntax
- user IDs (UIDs)
: UNIX Power Tools, 38.3. Managing Processes: Overall Concepts
- file access
: UNIX Power Tools, 1.23. File Access Permissions
- user shell variable
: UNIX in a Nutshell, 5.3.3. Predefined Shell Variables
- user time
- UNIX Power Tools, 39.2. Timing Programs
- UNIX Power Tools, 39.5. Why Is the System So Slow?
- user's login shell, killing
: UNIX Power Tools, 38.10. Destroying Processes with kill
- user-controlled multitasking
: Learning the Korn Shell, 8. Process Handling
- user-defined functions
: sed & awk, 9.3. Writing Your Own Functions
- user-defined signals
: (see USR1 (user-defined) signal)
- user-state CPU time
: UNIX Power Tools, 39.5. Why Is the System So Slow?
- username field in crontab entries
: UNIX Power Tools, 40.12.1. Execution Scheduling
- usernames
- mailing to
: Learning the UNIX Operating System, 3.4.1. Sending Mail
- printing
: UNIX in a Nutshell, Chapter 2, Reference: whoami
- users
- UNIX Power Tools, 17.16. Searching by Owner and Group
- (see also groups)
- classes of
: UNIX Power Tools, 39.12.4. User Communities
- displaying data about
: UNIX in a Nutshell, Chapter 2, Reference: finger
- effect on system performance
: UNIX Power Tools, 39.12.4. User Communities
- groups
: (see groups)
- IDs, displaying
: UNIX in a Nutshell, Chapter 2, Reference: id
- logged-in
- displaying list
- UNIX in a Nutshell, Chapter 2, Reference: users
- UNIX in a Nutshell, Chapter 2, Reference: who
- displaying system usage
: UNIX in a Nutshell, Chapter 2, Reference: ruptime
- information on logged in
- UNIX in a Nutshell, Chapter 2, Reference: rwho
- UNIX in a Nutshell, Chapter 2, Reference: w
- ownership
: (see ownership, file)
- permissions
: (see permissions)
- sending email messages to all
: UNIX in a Nutshell, Chapter 2, Reference: wall
- SUID bit
- UNIX Power Tools, 1.23. File Access Permissions
- UNIX Power Tools, 1.25. Access to Directories
- terminating processes of
: UNIX in a Nutshell, Chapter 2, Reference: shutdown
- who command for
: (see who command)
- users command
: UNIX in a Nutshell, Chapter 2, Reference: users
- /usr directory
- /usr/bin directory
- Learning the Korn Shell, 3.4.2.5. Command Search Path
- Learning the Korn Shell, 10.3.2. A System Break-in Scenario
- UNIX Power Tools, 1.10. Internal and External Commands
- UNIX Power Tools, 44.3.4. Shell Search Paths
- /usr/include, header files in
: UNIX Power Tools, 52.8.2.7. Functions, Libraries, and Header Files
- /usr/lib
: Learning the Korn Shell, 9.2.1.1. The driver script
- /usr/lib/crontab file
: UNIX Power Tools, 40.12.1. Execution Scheduling
- /usr/lib/crontab.local file
: UNIX Power Tools, 40.12.1. Execution Scheduling
- /usr/local directory
: UNIX Power Tools, 52.5.3.5. Installing Everything Using the Defaults
- /usr/tmp directory
- Learning the Korn Shell, 8.4.2. Process ID Variables and Temporary Files
- UNIX Power Tools, 21.4. Why Both /tmp and /usr/tmp?
- USR1 (user-defined) signal
: UNIX Power Tools, 38.8. What Are Signals?
- utilities, combining
: UNIX Power Tools, 44.1. Everyone Should Learn Some Shell Programming
- UTS
: Learning the Korn Shell, 1. Korn Shell Basics
- UUCP (UNIX-to-UNIX copy)
- Learning the Korn Shell, 7.1.1. Here-documents
- Learning the Korn Shell, A.6. Workalikes on PC Platforms
- UNIX Power Tools, 1.33. UNIX Networking and Communications
- UNIX Power Tools, 52.7.2.3. UUCP
- sed & awk, UUCP
- uucp command
- Learning the Korn Shell, C.4. UUCP
- UNIX in a Nutshell, Chapter 2, Reference: uucp
- (see also uustat command)
- uudecode command
- UNIX Power Tools, 19.5. Using tar to Create and Unpack Archives
- UNIX in a Nutshell, Chapter 2, Reference: uudecode
- uuencode command
- UNIX Power Tools, 19.5. Using tar to Create and Unpack Archives
- UNIX Power Tools, 11.3. My Favorite Is !$
- UNIX in a Nutshell, Chapter 2, Reference: uudecode
- UNIX in a Nutshell, Chapter 2, Reference: uuencode
- uuglist command
: UNIX in a Nutshell, Chapter 2, Reference: uuglist
- uulog command
- UNIX in a Nutshell, Chapter 2, Reference: uulog
- (see also tail command)
- uuname command
- UNIX in a Nutshell, Chapter 2, Reference: uuname
- (see also uucp command)
- UUNET
: UNIX Power Tools, 52.7.2.3. UUCP
- uupick command
- UNIX in a Nutshell, Chapter 2, Reference: uupick
- (see also uuto command)
- uustat command
- UNIX in a Nutshell, Chapter 2, Reference: uustat
- (see also uucp command)
- uuto command
- UNIX in a Nutshell, Chapter 2, Reference: uuto
- (see also uupick command)
- uutot.awk script (example)
: sed & awk, 13.1. uutot.awk - Report UUCP Statistics
- uux command
: UNIX in a Nutshell, Chapter 2, Reference: uux
Symbols
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