Yes, SublimeText is available for free, but users are encouraged to purchase licenses. It offers an indefinite free trial, all features are available, but occasionally a window to remind you to purchase a license will pop up; you can use it individually or at will, but purchasing a license can support development and remove reminders; the license is permanently valid and applicable to all platforms, with a single user license fee of $90, supports multi-user and team authorization, and provides educational and bulk discounts; copy the license key to the software after purchase and activate without an account or online activation.

SublimeText has many practical but easily overlooked features. 1. Multiple selection and quick editing: supports multi-cursor operation, splitting and selecting rows, batch modifying the same words to improve the efficiency of processing duplicate content; 2. Fuzzy search expansion function: can jump function definition, specify line number, and global search symbols to facilitate navigation of large projects; 3. Automatic saving and project recovery: no manual saving, it can automatically recover after crash, retaining the multi-task working state; 4. Custom shortcut keys and plug-in extensions: Install plug-ins and custom shortcut keys through the command panel to significantly improve personalized editing efficiency.

ToconfigurekeybindingsforbuildsystemsinSublimeText,opentheUserkeybindingsfileviaPreferences>KeyBindings,thenedittherightpanewithcustomJSONentries.EachentryisaJSONobjectspecifying"keys","command",andoptionally"args".Fo

To use SublimeText more effectively, you can refer to the following resources: 1. Official documents and built-in help provide accurate information on core functions and configuration options; 2. YouTube channels such as TheNetNinja and TraversyMedia provide video tutorials; 3. Forums and community websites such as SublimeText forums and Reddit provide plug-ins and question answers; 4. Books and in-depth guides such as "MasteringSublimeText" are suitable for reading long articles; 5. Use PackageControl to install plug-ins such as Emmet and GitGutter to improve efficiency. By combining these resources with different learning methods, Sublim can be comprehensively improved

TosetupbuildsystemsinSublimeText,create.sublime-buildfileswithcustomcommandslinkedtospecificfiletypes.1.Definethecommandtoexecutecodeusingvariableslike"$file".2.Usethe"selector"fieldtoassociatethebuildsystemwithasyntaxsuchas"

SublimeText's code snippet function can improve coding efficiency through preset templates. The specific steps are: 1. Create a new fragment through Tools>Developer>NewSnippet..., replace the placeholder in the template and save it to the default folder; 2. Use the trigger word and Tab key in the code to quickly insert common structures, such as inputting htmlbase to generate HTML5 basic framework; 3. You can add variables and placeholders to the fragment, such as setting ${1:functionName}, ${2:arguments} and other tags when defining JavaScript function templates to achieve fast customization; 4. User-defined fragments are stored in Packag by default

SublimeText's PackageControl can be browsed and searched for packages in several steps. First, use "PackageControl:ListPackages" to view installed packages; second, enter keywords (such as "git" or "python") through "PackageControl:InstallPackage" to search for available packages; finally, you can visit the official website packagecontrol.io to browse manually, sort by popularity or update time and view detailed information. Pay attention to the maintenance status, evaluation and network environment of the package may affect the search results.

Use the "Find in File" function of SublimeText to quickly locate text across files. The method is opened as the "Find" menu or shortcut key Ctrl Shift F (Windows/Linux) or Cmd Shift F (macOS). 1. Enter the text to be searched; 2. Specify the search range such as .js or exclude directories such as -/tests/* in the "Where" field; 3. Use "MatchCase", "WholeWord" or regular expressions to improve accuracy; 4. The search results show the file name, line number and context, and click to jump to the corresponding position; 5. You can right-click to select "Replace All" or double-click the left to collapse the match to improve efficiency.