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Index: G

• command : History Substitutions
• gawk utility
• • Quick Reference: awk
  • Common UNIX Error Messages
  • Quick Descriptions of What's on the Disc
  • Installing a Single Program
  • (see also awk utility; nawk utility)
  • version history : Versions of awk
• gcc C compiler : Missing Programs
• get command (SCCS) : SCCS Basics
• getmac script : Quick Descriptions of What's on the Disc
• getopt command
• • Handling Command-Line Arguments with a for Loop
  • Standard Command-Line Parsing
  • Quick Descriptions of What's on the Disc
  • examples : Standard Command-Line Parsing
  • parsing output : Standard Command-Line Parsing
• getopts command : Handling Command-Line Arguments with a for Loop
• • advantages : Handling Arguments with while and shift
• getty program : fork and exec
• glass ttys : How We Made It This Far (Back?)
• glimpse script
• • glimpse and agrep
  • Quick Descriptions of What's on the Disc
• global command (ex) : Useful ex Commands
• gnroff program
• • Don't Have nroff? Try gnroff or awf
  • Quick Descriptions of What's on the Disc
• GNU awk : (see awk utility)
• GNU Emacs : (see Emacs editor)
• GNU fileutils : Quick Descriptions of What's on the Disc
• GNU make utility : Missing Programs
• "go" character : Flow Control (We Hope)
• grabchars : Quick Descriptions of What's on the Disc
• • -b option : Better read Command: grabchars
  • -d option : Better read Command: grabchars
  • -t option : Better read Command: grabchars
• grabchars program
• • read: Reading from the Keyboard
  • Better read Command: grabchars
  • examples : Better read Command: grabchars
• graphics
• • conversion programs : The Portable Bitmap Package
  • pbm (portable bitmap) : The Portable Bitmap Package
  • pbm (portable bitmap) format : The Portable Bitmap Package
  • pgm (graymap) format : The Portable Bitmap Package
  • pnm format : The Portable Bitmap Package
  • ppm (pixmap) format : The Portable Bitmap Package
• Graphics script : Quick Descriptions of What's on the Disc
• > (greater than sign)
• • with for loop : The Bourne Shell for Loop
• greater than sign (<)
• • with for loop : The Bourne Shell for Loop
• grep
• • redirecting output : Overview: Open Files and File Descriptors
• grep command
• • Command Substitution
  • Different Versions of grep
  • Searching for Text with grep
  • glimpse and agrep
  • New greps Are Much Faster
  • Quick Descriptions of What's on the Disc
  • (see also agrep script; egrep script; fgrep script; hgrep script)
  • addup script using : Total a Column with addup
  • -c option
  • • Getting a List of Non-Matching Files with grep -c
    • Total a Column with addup
  • compound searches : Compound Searches
  • customizing prompt character : Which Shell Am I Running?
  • customizing with perl : Make Custom grep Commands (etc.) with perl
  • directory trees and : grepping a Directory Tree (and a Gotcha)
  • example of : Using Pipes to Create a New Tool
  • examples : Total a Column with addup
  • -f option : Handling Arguments with while and shift
  • file searches with
  • • Get File List by Editing Output of ls -l, grep, etc.
    • Search for Text with grep
  • -i option : lookfor: Which File Has that Word?
  • -l option
  • • Command Substitution
    • Getting a List of Matching Files with grep -l
  • multiline : Multiline Context grep Using sed
  • sed with
  • • Multiline Context grep Using sed
    • Narrowing a Search Quickly
  • with type-ahead feature : For the Impatient: Type-Ahead
  • -v option
  • • Finding Text That Doesn't Match
    • File That Shows Itself... and What #! Does
    • Who's On?
  • -w option : Finding a Pattern Only When It's a Word
• groff : Quick Descriptions of What's on the Disc
• groff program : groff
• group ID (GID) : Managing Processes: Overall Concepts
• grouping commands (sh) : Using {list} to Group Bourne Shell Commands
• groups
• • Searching by Owner and Group
  • Which Group is Which?
  • Groups and Group Ownership
  • (see also users)
  • (see SGID (set group ID) bit)
  • changing/specifying : Group Permissions in a Directory with the setgid Bit
  • defined : User, Group, and World
  • denying permission by : Add Users to a Group to Deny Permission
  • newgrp command : Groups and Group Ownership
  • searching by : Searching by Owner and Group
• groups command
• • Groups and Group Ownership
  • Juggling Permissions
• groups program : Quick Descriptions of What's on the Disc
• gsub command (awk) : Alphabetical Summary of Commands
• gunzip utility
• • Using tar to Create and Unpack Archives
  • Extracting Files from a Compressed Archive
  • Compressing Files to Save Space
  • Quick Descriptions of What's on the Disc
• gxcat command : Compressing Files to Save Space
• gz filename extension : Filename Extensions
• gzcat script
• • Extracting Files from a Compressed Archive
  • Quick Descriptions of What's on the Disc
  • in Bourne shell scripts : With the $@"
  • examples : With the $@"
• gzip utility
• • Using tar to Create and Unpack Archives
  • Save Space with Tab Characters
  • Compressing Files to Save Space
  • Quick Descriptions of What's on the Disc
• gzipped file extension : Filename Extensions

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