# Settings in the file `doublecmd.ini`

Most of the settings in `doublecmd.ini` can be changed in the configuration options section of DC. Manual edit is usually not necessary .

[Configuration] | General settings
--- | ---
`CaseSensitiveSort=0` | 0: Case sensitive sort OFF 1: Case sensitive sort ON
`CopyBlockSize=64` | Sets block size for copying (in kbytes=1024 bytes). Default is 64 (=65536 bytes).
`CustomDriveIcons=0` | Use custom drive icons (from `%commander_path%\pixmaps\XxX\devices\`) instead of system icons (Windows only) 0: Use system icons 1: Use custom icons
`DirTabLimit=32` | Maximum number of characters shown in a directory tab
`DriveBlackList` | List of drives not to show in drive bar/menu (; - separator)
`UseExtEdit=0` | 0: Use internal editor 1: Use external editor (see ExtEdit)
`UseExtView=0` | 0: Use internal viewer 1: Use external viewer (see. ExtView)
`UseExtDiff=0` | 0: Use internal file diff 1: Use external file diff (see ExtDiff)
`ExtEdit` | External editor for `F4`
`ExtView` | External viewer for `F3`
`ExtDiff` | External file diff
`Font.Name=default` | Font for the file panels
`Font.Size=10` | Font size for the file panels
`Font.Style` | Font style for the file panels
`Maximized=0` | Window state 0: normal, 1: maximal size
`MouseSelectionEnabled=1` | Enable mouse selection 0: no 1: yes
`QuickSearchMatchBeginning=1` | 0: A search string like "double" will be read as "*double" 1: Exact match: typing "cmd" will find "cmd.ini", but not "doublecmd.ini"
`QuickSearchMatchEnding=1` | 0: Typing a dot is read as *. , "double.i" also finds "doublecmd.ini" 1: Exact match: typing "double.i" finds only "double.ini", but doesn't find "doublecmd.ini"
`ScrollMode=0` | Mouse wheel scroll mode 0: Line by line with cursor movement 1: Line by line 2: Page by page
`ShowIcons=1` | Show icons in file panel0: no 1: yes
`ShowSystemFiles=0` | Show system files 0: no 1: yes
`UseIniInProgramDir=0` | Location of DC configuration files 0: Use configuration files from user home directory 1: Use configuration files from program directory
[Colors] | Color settings
[PackerPlugins] | List of installed WCX plugins
`bz2=0,%commander_path%\plugins\unbz2.wcx` | Plugin for bz2-archives. 0 — Total of plugin abilities
[Content Plugins] | List and settings of installed WDX plugins
`PluginCount=2` | Count of installed WDX plugins
`Plugin1Name=rpm_wdx` | Name of first installed WDX plugins
`Plugin1Detect=EXT="RPM"` | Associated RPM extension for first plugin
`Plugin1Path` | Path to the first plugin
[ColumnsSet] | List of available columns sets
`ColumnsSetCount=2` | Count of columns sets
`ColumnsSet1Name=Default` | First columns set — Default
[lefttabs] | List of tabs for left panel
[righttabs] | List of tabs for right panel

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