idx_s.htm

the unix power tools

  <DT>understanding # as comment
: <A HREF="../ch45_03.htm">45.3. Don't Need a Shell for Your Script?  Don't Use One </A>
  <DT>-v option
: <A HREF="../ch45_25.htm">45.25. Shell Scripts On-the-Fly from Standard Input </A>
  <DT>variants of
: <A HREF="../ch38_03.htm">38.3. Managing Processes: Overall Concepts </A>
</DL>
<DT><A NAME="shells-file">shells file</A>
: <A HREF="../ch02_16.htm">2.16. Approved Shells: Using Unapproved Login Shell </A>
<DT><A NAME="shellutils">shellutils</A>
: <A HREF="../ch52_04.htm">52.4. Quick Descriptions of What's on the Disc </A>
<DT><A NAME="shift-command">shift command</A>
<DD><DL>
  <DT><A HREF="../ch44_17.htm">44.17. Handling Arguments with while and shift </A>
  <DT><A HREF="../ch45_15.htm">45.15. How to Unset all Command-Line Parameters </A>
  <DT>examples
  <DD><DL>
    <DT><A HREF="../ch44_17.htm">44.17. Handling Arguments with while and shift </A>
    <DT><A HREF="../ch45_15.htm">45.15. How to Unset all Command-Line Parameters </A>
  </DL>
  <DT>handling command-line arguments
: <A HREF="../ch44_17.htm">44.17. Handling Arguments with while and shift </A>
  <DT>in Bourne shell
: <A HREF="../ch47_05.htm">47.5. Using C Shell Arrays </A>
  <DT>in C shells
: <A HREF="../ch47_05.htm">47.5. Using C Shell Arrays </A>
  <DT>in while loops
: <A HREF="../ch44_17.htm">44.17. Handling Arguments with while and shift </A>
  <DT>removing command-line arguments
: <A HREF="../ch44_15.htm#UPT-ART-7130-SECT-1.2">44.15.2. With a Loop </A>
  <DT>unsetting command line parameters
: <A HREF="../ch45_15.htm">45.15. How to Unset all Command-Line Parameters </A>
</DL>
<DT><A NAME="shlvl-environment-variable">SHLVL environment variable</A>
: <A HREF="../ch07_09.htm">7.9. Show Subshell Level with $SHLVL </A>
<DT><A NAME="showmatch-script">showmatch script</A>
<DD><DL>
  <DT><A HREF="../ch26_06.htm">26.6. Just What Does a Regular Expression Match? </A>
  <DT><A HREF="../ch52_04.htm">52.4. Quick Descriptions of What's on the Disc </A>
</DL>
<DT><A NAME="shrink.2dwrapped-software-for-unix">shrink-wrapped software for UNIX</A>
: <A HREF="../ch52_03.htm">52.3. Shrink-Wrapped Software for UNIX </A>
<DT><A NAME="shutdown-program">shutdown program</A>
: <A HREF="../ch01_14.htm">1.14. The Kernel and Daemons </A>
<DT><A NAME="sierra">Sierra, Mike</A>
: <A HREF="../ch07_05.htm">7.5. Multiline Shell Prompts </A>
<DT><A NAME="signal-handling">signal handling</A>
: <A HREF="../ch38_08.htm">38.8. What Are Signals? </A>
<DD><DL>
  <DT>in Bourne shells
: <A HREF="../ch45_08.htm">45.8. Handling Signals to Child Processes </A>
  <DT>of subprocesses
: <A HREF="../ch45_08.htm">45.8. Handling Signals to Child Processes </A>
</DL>
<DT><A NAME="signal-names.2fnumbers-for-trap-command">signal names/numbers for trap command</A>
: <A HREF="../ch44_12.htm">44.12. Trapping Exits Caused by Interrupts </A>
<DT><A NAME="signals">signals, interprocess communication</A>
: <A HREF="../ch38_08.htm">38.8. What Are Signals? </A>
<DT><A NAME="signals">signals, trapping</A>
: <A HREF="../ch47_02.htm#UPT-ART-393-SECT-1.3">47.2.3. Signals </A>
<DT><A NAME="sigwinch">SIGWINCH (window changed) signal</A>
: <A HREF="../ch42_05.htm">42.5. Checklist: Screen Size Messed Up? </A>
<DT><A NAME="sin-command">sin command (awk)</A>
: <A HREF="../ch33_11.htm#UPT-ART-2860-SECT-1.7">33.11.7. Alphabetical Summary of Commands </A>
<DT><A NAME="sine-function">sine function</A>
: <A HREF="../ch49_04.htm">49.4. bc's Sine and Cosine Are in Radians </A>
<DT><A NAME="single-quotes">single quotes</A>
: (see <A HREF="idx_0.htm#.27">'</A>)
<DT><A NAME="size">size, file</A>
<DD><DL>
  <DT><A HREF="../ch16_25.htm">16.25. Listing Files by Age and Size </A>
  <DT><A HREF="../ch24_05.htm">24.5. Limiting File Sizes </A>
  <DT>(see <A HREF="idx_f.htm#file-size">file size</A>)
  <DT>limits for
: <A HREF="../ch51_11.htm">51.11. Making an Arbitrary-Size File for Testing </A>
  <DT>searching by
: <A HREF="../ch17_14.htm">17.14. Searching for Files by Size </A>
</DL>
<DT><A NAME="sl-script">sl script</A>
<DD><DL>
  <DT><A HREF="../ch18_08.htm">18.8. Showing the Actual Filenames for Symbolic Links </A>
  <DT><A HREF="../ch21_08.htm#UPT-ART-1220-SECT-1.1.3">21.8.1.3. Watching Directories </A>
  <DT><A HREF="../ch52_04.htm">52.4. Quick Descriptions of What's on the Disc </A>
</DL>
<DT><A NAME="slash">slash</A>
: (see <A HREF="idx_0.htm#.2f">/</A>)
<DT><A NAME="sleep-command">sleep command</A>
<DD><DL>
  <DT><A HREF="../ch03_01.htm#UPT-ART-4800">3.1. Running Commands When You Log Out </A>
  <DT><A HREF="../ch09_19.htm">9.19. For the Impatient: Type-Ahead </A>
  <DT><A HREF="../ch40_01.htm#UPT-ART-2313">40.1. Off-Peak Job Submission </A>
  <DT><A HREF="../ch52_04.htm">52.4. Quick Descriptions of What's on the Disc </A>
  <DT>in C shell
: <A HREF="../ch47_02.htm#UPT-ART-393-SECT-1.2.1">47.2.2.1. Built-Ins </A>
  <DT>examples
  <DD><DL>
    <DT><A HREF="../ch45_08.htm">45.8. Handling Signals to Child Processes </A>
    <DT><A HREF="../ch47_02.htm#UPT-ART-393-SECT-1.2.1">47.2.2.1. Built-Ins </A>
  </DL>
  <DT>keeping port settings
: <A HREF="../ch41_06.htm">41.6. Using sleep to Keep Port Settings </A>
  <DT>in leave program
: <A HREF="../ch48_05.htm">48.5. leave: A Maddening Aid to Quitting on Time </A>
  <DT>uses of
: <A HREF="../ch40_02.htm">40.2. Waiting a Little While: sleep </A>
</DL>
<DT><A NAME="sls-program">sls program</A>
<DD><DL>
  <DT><A HREF="../ch16_29.htm">16.29. sls: Super ls with Format You Can Choose </A>
  <DT><A HREF="../ch52_04.htm">52.4. Quick Descriptions of What's on the Disc </A>
</DL>
<DT><A NAME="smart-echoing">smart echoing</A>
: <A HREF="../ch41_05.htm">41.5. Why Some Systems Backspace over Prompts </A>
<DT><A NAME="smiley-program">smiley program</A>
: <A HREF="../ch52_04.htm">52.4. Quick Descriptions of What's on the Disc </A>
<DT><A NAME="smileys">smileys</A>
: <A HREF="../ch51_12.htm">51.12. You Don't Have Enough Smileys? </A>
<DT><A NAME="soft-disk-quota-limits">soft disk quota limits</A>
: <A HREF="../ch24_17.htm">24.17. Disk Quotas </A>
<DT><A NAME="soft-links">soft links</A>
: (see <A HREF="idx_s.htm#symbolic-links">symbolic links</A>)
<DT><A NAME="soft-mounting-of-nfs">soft mounting of NFS</A>
: <A HREF="../ch05_06.htm">5.6. Checklist: Terminal Hangs When I Log In </A>
<DT><A NAME="software">software</A>
<DD><DL>
  <DT>on enclosed CD-ROM
  <DD><DL>
    <DT><A HREF="../ch52_01.htm#UPT-ART-9501">52.1. Introduction </A>
    <DT><A HREF="../ch52_06.htm">52.6. Don't Have a CD-ROM Drive? </A>
  </DL>
  <DT>installation programs
: <A HREF="../ch52_05.htm#UPT-ART-9503-SECT-1.3">52.5.3. Installing Pre-Compiled Binaries </A>
  <DT>source code
  <DD><DL>
    <DT><A HREF="../ch52_07.htm">52.7. Other Ways to Get the Software </A>
    <DT><A HREF="../ch52_08.htm">52.8. Building Programs from Source Code </A>
  </DL>
</DL>
<DT><A NAME="sort-command">sort command</A>
: <A HREF="../ch36_02.htm">36.2. Sort Fields: How sort Sorts </A>
<DD><DL>
  <DT>alphabetic vs. numeric
: <A HREF="../ch36_05.htm">36.5. Alphabetic and Numeric Sorting </A>
  <DT>case-insensitive sorts
: <A HREF="../ch36_06.htm#UPT-ART-2921-SECT-1.2">36.6.2. Ignoring Blanks </A>
  <DT>dictionary order
: <A HREF="../ch36_06.htm#UPT-ART-2921-SECT-1.3">36.6.3. Case-Insensitive Sorts </A>
  <DT>fields
: <A HREF="../ch36_02.htm">36.2. Sort Fields: How sort Sorts </A>
  <DT>ignoring blanks
: <A HREF="../ch36_06.htm#UPT-ART-2921-SECT-1.1">36.6.1. Dealing with Repeated Lines </A>
  <DT>month order
: <A HREF="../ch36_06.htm#UPT-ART-2921-SECT-1.4">36.6.4. Dictionary Order </A>
  <DT>reverse sort
: <A HREF="../ch36_06.htm#UPT-ART-2921-SECT-1.5">36.6.5. Month Order </A>
  <DT>unique parameter
: <A HREF="../ch36_06.htm#UPT-ART-2921-SECT-1.1">36.6.1. Dealing with Repeated Lines </A>
</DL>
<DT><A NAME="sorting">sorting</A>
<DD><DL>
  <DT>by last name
: <A HREF="../ch36_09.htm">36.9. Sorting a List of People by Last Name </A>
  <DT>lines by length
: <A HREF="../ch36_08.htm">36.8. lensort: Sort Lines by Length </A>
  <DT>multiline entries
: <A HREF="../ch36_07.htm">36.7. Sorting Multiline Entries </A>
</DL>
<DT><A NAME="source-code-control-system">Source Code Control System</A>
: (see <A HREF="idx_s.htm#sccs">SCCS</A>)
<DT><A NAME="source-command">source command</A>
<DD><DL>
  <DT>in C shell
: <A HREF="../ch47_02.htm#UPT-ART-393-SECT-1.2.1">47.2.2.1. Built-Ins </A>
  <DT>redirecting
: <A HREF="../ch47_02.htm#UPT-ART-393-SECT-1.2.1">47.2.2.1. Built-Ins </A>
</DL>
<DT><A NAME="source-command">source command (ex)</A>
: <A HREF="../ch33_04.htm">33.4. Useful ex Commands </A>
<DT><A NAME="sourceable-scripts">sourceable scripts</A>
: <A HREF="../ch10_05.htm">10.5. Sourceable Scripts </A>
<DT><A NAME="sourcedir">SOURCEDIR, CD-ROM</A>
: <A HREF="../ch52_08.htm#UPT-ART-3840-SECT-1.1">52.8.1. Running the Build Scripts </A>
<DT><A NAME="sourcing-shell-scripts">sourcing shell scripts</A>
: <A HREF="../ch44_23.htm">44.23. Reading Files with the . and source Commands </A>
<DD><DL>
  <DT>in C shell
: <A HREF="../ch47_02.htm#UPT-ART-393-SECT-1.2.1">47.2.2.1. Built-Ins </A>
</DL>
<DT><A NAME="space-characters">space characters</A>
: (see <A HREF="idx_w.htm#whitespace">whitespace</A>)
<DT><A NAME="sparse-files">sparse files</A>
: <A HREF="../ch24_18.htm">24.18. Huge Files Might Not Take a Lot of Disk Space </A>
<DT><A NAME="spaste-program">spaste program</A>
: <A HREF="../ch52_04.htm">52.4. Quick Descriptions of What's on the Disc </A>
<DT><A NAME="spawning-processes">spawning processes</A>
: <A HREF="../ch38_02.htm">38.2. fork and exec </A>
<DT><A NAME="special-characters">special characters</A>
<DD><DL>
  <DT><A HREF="../ch21_14.htm">21.14. Automatically Appending the Date to a Filename </A>
  <DT>(see also <A HREF="idx_p.htm#pattern-matching">pattern matching</A>; <A HREF="idx_w.htm#wildcards">wildcards</A>)
  <DT>in Bourne shell (sh)
: <A HREF="../ch08_14.htm#UPT-ART-12-SECT-1.1">8.14.1. Special Characters </A>
  <DT>cat command for viewing
: <A HREF="../ch25_06.htm">25.6. What's in That White Space? </A>
  <DT>escape
: <A HREF="../ch51_03.htm">51.3. ASCII Characters: Listing and Getting Values </A>
  <DT>in filenames
: <A HREF="../ch01_15.htm">1.15. Filenames </A>
  <DT>filenames with
  <DD><DL>
    <DT><A HREF="../ch08_16.htm">8.16. Quoting Handles Special Characters in Filenames </A>
    <DT><A HREF="../ch16_14.htm">16.14. Showing Non-Printable Characters in Filenames </A>
    <DT><A HREF="../ch23_11.htm">23.11. Deleting Files with Odd Names </A>
  </DL>
</DL>
<DT><A NAME="special-keys">special keys, characters sent by</A>
: <A HREF="../ch41_12.htm">41.12. Finding Out What Characters Your Terminal's Special Keys Send</A>
<DT><A NAME="speed">speed</A>
: (see <A HREF="idx_p.htm#performance">performance</A>)
<DT><A NAME=".40speed">@speed, &lt;speed, &gt;speed calculations</A>
: <A HREF="../ch05_03.htm">5.3. Setting the Terminal Type When You Log In </A>
<DT><A NAME="spell-checking">spell checking</A>
<DD><DL>
  <DT><A HREF="../ch27_18.htm">27.18. Fast Searches and Spelling Checks with  "look&quot;</A>
  <DT><A HREF="../ch29_01.htm#UPT-ART-4080">29.1. The UNIX spell Command </A>
  <DT>ispell program
: <A HREF="../ch29_02.htm">29.2. Check Spelling Interactively with ispell </A>
</DL>
<DT><A NAME="spell-command">spell command</A>
<DD><DL>
  <DT><A HREF="../ch29_01.htm#UPT-ART-4080">29.1. The UNIX spell Command </A>
  <DT><A HREF="../ch29_03.htm">29.3. How Do I Spell That Word? </A>
  <DT>(see also <A HREF="idx_i.htm#ispell-program">ispell program</A>)
  <DT>-v option
: <A HREF="../ch29_04.htm">29.4. Inside spell </A>
  <DT>-x option
: <A HREF="../ch29_04.htm">29.4. Inside spell </A>
</DL>
<DT><A NAME="spellhist-file">spellhist file</A>
: <A HREF="../ch29_04.htm">29.4. Inside spell </A>
<DT><A NAME="spellprog-program">spellprog program</A>
: <A HREF="../ch29_04.htm">29.4. Inside spell </A>
<DT><A NAME="split-command">split command (awk)</A>
: <A HREF="../ch33_11.htm#UPT-ART-2860-SECT-1.7">33.11.7. Alphabetical Summary of Commands </A>
<DT><A NAME="split-command">split command, loops using</A>
: <A HREF="../ch45_18.htm#UPT-ART-2260-SECT-1.2">45.18.2. Use with Loops </A>
<DT><A NAME="split-program">split program</A>
: <A HREF="../ch35_09.htm">35.9. Splitting Files at Fixed Points: split </A>
<DT><A NAME="spool-was-an-acronym-.2d-simultaneous-printing-off-and-on-line.2e">Spool was an acronym&nbsp;- Simultaneous Printing Off and On Line.</A>
: <A HREF="../ch43_01.htm#UPT-ART-4960">43.1. Introduction to Printing </A>
<DT><A NAME="spooling-system">spooling system</A>
: <A HREF="../ch43_01.htm#UPT-ART-4960">43.1. Introduction to Printing </A>
<DD><DL>
  <DT>symbolic links
: <A HREF="../ch43_05.htm">43.5. Using Symbolic Links for Spooling </A>
</DL>
<DT><A NAME="spreadsheets">spreadsheets, calculators vs.</A>
: <A HREF="../ch49_08.htm">49.8. It's Great to Have a Spreadsheet </A>
<DT><A NAME="sprintf-command">sprintf command (awk)</A>
: <A HREF="../ch33_11.htm#UPT-ART-2860-SECT-1.7">33.11.7. Alphabetical Summary of Commands </A>
<DT><A NAME="sqrt-command">sqrt command (awk)</A>
: <A HREF="../ch33_11.htm#UPT-ART-2860-SECT-1.7">33.11.7. Alphabetical Summary of Commands </A>
<DT><A NAME="squoze-script">squoze script</A>
: <A HREF="../ch52_04.htm">52.4. Quick Descriptions of What's on the Disc </A>
<DT><A NAME="srand-command">srand command (awk)</A>
: <A HREF="../ch33_11.htm#UPT-ART-2860-SECT-1.7">33.11.7. Alphabetical Summary of Commands </A>
<DT><A NAME="stack">stack, directory</A>
: <A HREF="../ch14_06.htm">14.6. The Shells' pushd and popd Commands </A>
<DT><A NAME="stale-symbolic-links">stale symbolic links</A>
: <A HREF="../ch18_05.htm">18.5. Creating and Removing Links </A>
<DT><A NAME="stalled-data-connections">stalled data connections</A>
: <A HREF="../ch42_02.htm#UPT-ART-5250-SECT-1.4">42.2.4. Stalled Data Connection? </A>