Errata
The errata list is a list of errors and their corrections that were found after the product was released. If the error was corrected in a later version or reprint the date of the correction will be displayed in the column titled "Date Corrected".
The following errata were submitted by our customers and approved as valid errors by the author or editor.
Color key: Serious technical mistake Minor technical mistake Language or formatting error Typo Question Note Update
Version | Location | Description | Submitted By | Date submitted | Date corrected |
---|---|---|---|---|---|
Mobi | Page ~2122 Bulletpoint 4 under Disk Space Available with df |
Referring to an /.vol, but there is no such thing in the df example output. Note from the Author or Editor: |
Stian Drøbak | Sep 08, 2012 | |
PDF, Other Digital Version | Page 5,6 "Finding hidden files" paragraph |
The last sentence says that Fig 1-2 (page 6) shows a file name "myopen". Note from the Author or Editor: |
Steve Jordi | Aug 23, 2012 | |
Page 21 Figure 2-4 |
On p.21, figure is labeled as Window Preferences, but figure shows Text preferences. Figure 2-3 on p. 20 shows Window preferences. Labeling of Figures in inconsistent with caps used for Preferences in 2-3 and lower case preferences in Figure 2-4. Note from the Author or Editor: |
Anonymous | Dec 31, 2012 | Sep 26, 2013 | |
Page 23 last paragraph |
In the sentence "^\[ is the ASCII ESC character" there's an extra \ character. It should be "^[ is the ASCII ESC character". Note from the Author or Editor: |
Aurelio Jargas | Mar 15, 2013 | Sep 26, 2013 | |
Page 23 3rd paragraph |
In the sentence "To type \^G, use Control-V Control-G" there's an extra \ character. Note from the Author or Editor: |
Aurelio Jargas | Mar 18, 2013 | Sep 26, 2013 | |
Page 40 2nd paragraph |
When describing Control-C behaviour, it's told that *foreground* programs cannot be interrupted. The correct here is *background*. The incorrect word appears twice in this paragraph. Note from the Author or Editor: |
Aurelio Jargas | Mar 18, 2013 | Sep 26, 2013 | |
Page 46 1st example |
There's an extra $ char at the end of the pwd output: "/Users/carol/Music$" Note from the Author or Editor: |
Aurelio Jargas | Mar 20, 2013 | Sep 26, 2013 | |
Printed | Page 50 Figure 3-5 |
Put john's home directory instead carol's home directory. Just to be match the explanation. Note from the Author or Editor: |
Iv?n Gonz?lez Aguilar | Jan 04, 2013 | Sep 26, 2013 |
Page 50 Figure 3-5 |
There are two repeated "carol" directories in the tree. The first should be "Users" instead. Note from the Author or Editor: |
Aurelio Jargas | Mar 20, 2013 | Sep 26, 2013 | |
Page 57 last paragraphs |
In the explanation for figure 3-6, it's mentioned the "john" user. But in the figure "taylor" is shown as the user. Note from the Author or Editor: |
Aurelio Jargas | Mar 20, 2013 | Sep 26, 2013 | |
Printed | Page 59 Examples in "Calculating File Size and Disk Usage" |
Both commands are expressed in 512 bytes blocks: Note from the Author or Editor: |
Iv?n Gonz?lez Aguilar | Jan 04, 2013 | Sep 26, 2013 |
Page 67 last but one paragraph |
It's mentioned the "Ownership & Permissions" area of the Finder's Get Info panel, but in Mountain Lion its name changed to "Sharing & Permissions". Note from the Author or Editor: |
Aurelio Jargas | Mar 20, 2013 | Sep 26, 2013 | |
Page 68 middle |
"An easy way to change permissions on the working directory is by using its relative pathname, . (dot), as in chmod o-w." ? At the end of the sentence, the dot from the chmod command is missing. Note from the Author or Editor: |
Aurelio Jargas | Mar 21, 2013 | Sep 26, 2013 | |
Page 69 3rd example |
The 3rd example of this page is wrong (it's a copy/paste from the 2nd example): Note from the Author or Editor: |
Aurelio Jargas | Mar 21, 2013 | Sep 26, 2013 | |
Page 74 4th paragraph |
"you can see that Mountain Lion actually points to /" -- it should be Macintosh HD instead Mountain Lion. |
Aurelio Jargas | Mar 21, 2013 | Sep 26, 2013 | |
Page 83 2nd-to-last paragraph |
"This output shows us that syslog.conf is three lines long, nfp.conf only has two lines, and ftpd.conf is also just two lines long." |
Aurelio Jargas | Mar 22, 2013 | Sep 26, 2013 | |
Page 93 Figure 4-3 |
Figure 4-3 in page 93 is exactly the same as Figure 4-2 in page 91. But figure 4-3 should be different, because the screenshot was meant to show that the text was reformatted using the fmt command. |
Aurelio Jargas | Mar 22, 2013 | Sep 26, 2013 | |
Page 99 last mkdir example |
mkdir -p spy/{ch{01,02,03,04,05,intro,toc,index,bio}} |
Aurelio Jargas | Mar 25, 2013 | Sep 26, 2013 | |
Page 107 1st example |
There's an extra @ char in the ls -l output: Note from the Author or Editor: |
Aurelio Jargas | Mar 25, 2013 | Sep 26, 2013 | |
Page 107 2nd to last paragraph |
The ZIP context menu in Mountain Lion's Finder is now called: |
Aurelio Jargas | Mar 25, 2013 | Sep 26, 2013 | |
Page 108 1st example |
The ls output is corrupted in the timestamp part "24 8 May:52" Note from the Author or Editor: |
Aurelio Jargas | Mar 22, 2013 | Sep 26, 2013 | |
Page 110 1st paragraph |
"notice that we added the .gz suffix to avoid later confusion about the file type" |
Aurelio Jargas | Mar 25, 2013 | Sep 26, 2013 | |
Page 113 1st paragraph |
The paragraph explanation used the month "Jan", but the mentioned previous example used the month "Aug" instead. Note from the Author or Editor: |
Aurelio Jargas | Mar 26, 2013 | Sep 26, 2013 | |
Page 113 1st example |
"To find all the files in the current directory that don?t mention Jane, for example, the command would be: Note from the Author or Editor: |
Aurelio Jargas | Mar 26, 2013 | Sep 26, 2013 | |
Page 115 Last paragraph |
The regular expression "j[:lower:]ne" is wrong. It should be "j[[:lower:]]ne", with two brackets. The same mistake is repeated in page 116, 1st paragraph. Note from the Author or Editor: |
Aurelio Jargas | Mar 13, 2013 | Sep 26, 2013 | |
Page 116 1st paragraph |
The regular expression "^:digit:" is wrong. It should be "^[[:digit:]]", with two brackets. Note from the Author or Editor: |
Aurelio Jargas | Mar 13, 2013 | Sep 26, 2013 | |
Page 117 2nd example |
The -E option is missing from the grep command. It's mentioned in the previous paragraph, and it should be used for the regex "POST.*(Safari|Firefox)" to be correctly interpreted. Note from the Author or Editor: |
Aurelio Jargas | Mar 13, 2013 | Sep 26, 2013 | |
Page 117 1st example |
In the first "grep POST access_log" example, the output contains 4 lines: Firefox, Firefox, Firefox, Safari. Note from the Author or Editor: |
Aurelio Jargas | Mar 13, 2013 | Sep 26, 2013 | |
Page 126 middle of the page |
The first find example in the page used -not -name "*gz" as a primary, but the following paragraph explained that it matches "all files whose names do not match the pattern *.gz." Note from the Author or Editor: |
Aurelio Jargas | Mar 26, 2013 | Sep 26, 2013 | |
Page 127 3rd from last paragraph |
"but if you don?t use it as ! the shell inevitably interprets it and generates some screwy error messages." -- I believe you meant \! instead ! |
Aurelio Jargas | Mar 26, 2013 | Sep 26, 2013 | |
Page 128 2nd to last paragraph |
Just a silly filename mismatch between description and example: |
Aurelio Jargas | Mar 26, 2013 | Sep 26, 2013 | |
Page 141 1st paragraph |
"To achieve this, simply rename diary to something like older.diary, make a new diary file with today's entries, then append temp (with its old contents) to the new diary." Note from the Author or Editor: |
Aurelio Jargas | Mar 27, 2013 | Sep 26, 2013 | |
Page 142 1st note |
$HOME is missing from the note's example, since it improves the previous example which used $HOME (also the homedirlist.txt filename requires the ls to list the home dir, not the working dir). |
Aurelio Jargas | Mar 27, 2013 | Sep 26, 2013 | |
Page 146 Table 6-1 |
"-k x ---- Ignore first x fields when sorting." Note from the Author or Editor: |
Aurelio Jargas | Mar 27, 2013 | Sep 26, 2013 | |
Page 147 last example |
To make a real case insensitive filter, both sort and uniq must be flagged with the right options (sort -f, uniq -i). The -i option is missing for uniq in the example: |
Aurelio Jargas | Mar 27, 2013 | Sep 26, 2013 |