deallocvt – deallocate unused virtual consoles Synopsisdeallocvt [,option/…] [N …] DescriptionThe command deallocvt deallocates kernel memory and data structures for all unused virtual consoles. If one or more arguments N … are given, only the corresponding consoles /dev/ttyN are deallocated. A virtual console is unused if it is not the foreground console, and no process…
ddrescuelog – tool for ddrescue mapfiles Synopsisddrescuelog [,options/] ,mapfile/ DescriptionGNU ddrescuelog – Tool for ddrescue mapfiles. Manipulates ddrescue mapfiles, shows their contents, converts them to/from other formats, compares them, and tests rescue status. NOTE: In versions of ddrescue prior to 1.20 the mapfile was called ‘logfile’. The format is the same; only the name has…
ddrescue – data recovery tool Synopsisddrescue [,options/] ,infile outfile /[,mapfile/] DescriptionGNU ddrescue – Data recovery tool. Copies data from one file or block device to another, trying to rescue the good parts first in case of read errors. Always use a mapfile unless you know you won’t need it. Without a mapfile, ddrescue can’t resume…
ddr_lzo – Data de/compression plugin for dd_rescue Synopsis-L lzo[=option[:option[:…]]] or -L /path/to/libddr_lzo.so[=option[:option[:…]]] DescriptionAboutLZO is an algorithm that de/compresses data. It is tuned for speed (especially decompression speed) and trades the size of the compressed file for it to some degree. There are variants with slow compression (yet still very fast decompression) available though. See the…
ddr_crypt – Data de/encryption plugin for dd_rescue Synopsis-L crypt[=option[:option[:…]]] or -L /path/to/libddr_crypt.so[=option[:option[:…]]] DescriptionAboutThis plugin allows to en/decrypt data on the fly as it is written out by dd_rescue. It supports a variance of AES ciphers and uses the hardware acceleration on x86 (AESNI) and ARMv8 — if available — to provide good performance. This plugin…
ddjvu – Command line DjVu decoder. Synopsisddjvu -format=fmt [options] [djvufile] [outputfile] DescriptionDecode the DjVu file djvufile, produces the image file outputfile. The DjVu data is read from the standard input when argument djvufile is not specified or when it is equal to a single dash. Similarly, the output data is written to the standard output…
ddd – The Data Display Debugger Synopsisddd [–help] [–gdb] [–dbx] [–ladebug] [–wdb] [–xdb] [–jdb] [–pydb] [–perl] [–debugger name] [—[r]host [[username@]hostname]] [–trace] [–version] [–configuration] [options…] [prog[core|procID]] but usually just ddd programDescriptionDDD is a graphical front-end for GDB and other command-line debuggers. Using DDD, you can see what is going on “inside” another program while it executes—or…
ddbugtopbm – convert Diddle or DiddleBug sketches to PBM files Synopsisddbugtopbm Examplesddbugtopbm </path/to/palm/backup/dir/DiddleBugDB.pdb ddbugtopbm </path/to/palm/backup/dir/DiddleDB.pdb ddbugtopbm </path/to/palm/backup/dir/DiddleIDB.pdbDescriptionThis program is part of Netpbm(1) ddbugtopbm converts all sketches present in a database used by the PalmOS programs Diddle or DiddleBug into appropriately-named PBM files. The backup copy of DiddleBug’s database you should use as this program’s input…
ddate – convert Gregorian dates to Discordian dates Synopsisddate [+format] [date] Descriptionddate prints the date in Discordian date format. If called with no arguments, ddate will get the current system date, convert this to the Discordian date format and print this on the standard output. Alternatively, a Gregorian date may be specified on the command…
dd_rescue – Data recovery and protection tool Synopsisdd_rescue [options] infile outfile dd_rescue [options] [-2/-3/-4/-z/-Z seed/seedfile] outfile dd_rescue [options] [–shred2/–shred3/–shred4/–random/–frandom seed/seedfile] outfile Descriptiondd_rescue is a tool that copies data from a source (file, block device, pipe, …) to one (or several) output file(s). If input and output files are seekable (block devices or regular files), dd_rescue…
dd – convert and copy a file Synopsisdd [,OPERAND/]… dd ,OPTION/ DescriptionCopy a file, converting and formatting according to the operands. bs=BYTES read and write up to BYTES bytes at a time (default: 512); overrides ibs and obs cbs=BYTES convert BYTES bytes at a time conv=CONVS convert the file as per the comma separated symbol…
dcraw – command-line decoder for raw digital photos Synopsisdcraw [OPTION]… [FILE]… Descriptiondcraw decodes raw photos, displays metadata, and extracts thumbnails. General Options-v Print verbose messages, not just warnings and errors. -c Write decoded images or thumbnails to standard output. -e Extract the camera-generated thumbnail, not the raw image. You’ll get either a JPEG or a…
dconvlum – Convert VeriLUM files to DCMTK display files Synopsisdconvlum in-file out-file [ambient]DescriptionCommand line program that converts VeriLUM file with characteristic curve data (CCx_xx.dat) to a format used for the Barten transformation in this toolkit. VeriLUM is a calibration package from ImageSmiths consisting of a photometer (with serial RS232 connector) and a Windows NT software….
dconf – Simple tool for manipulating a dconf database Synopsis dconf read [-d] KEY dconf list DIR dconf write KEY VALUE dconf reset [-f] PATH dconf compile OUTPUT KEYFILEDIR dconf update [DBDIR] dconf watch PATH dconf dump DIR dconf load [-f] DIR dconf help [COMMAND]DescriptionThe dconf program can perform various operations on a dconf database,…
dconf-service – D-Bus service for writes to the dconf database Synopsis dconf-serviceDescriptionThe dconf-service program provides the ca.desrt.dconf name on the session or system bus. Users or administrators should never need to start the service, as it will be automatically started by dbus-daemon(1) whenever an application tries to write settings. Reading values from the dconf database…
dconf-editor – Graphical editor for gsettings and dconf Synopsisdconf-editor [OPTIONS…] dconf-editor [OPTIONS…] [PATH] dconf-editor [OPTIONS…] [FIXED_SCHEMA | RELOCATABLE_SCHEMA:PATH] [KEY] DescriptionThe dconf-editor program provides a graphical interface for editing settings that are stored by other applications using the gsettings functions of the glib library, or in the dconf database. The gsettings(1) and dconf(1) utilities provides similar…
dcod2lum – Convert hardcopy characteristic curve file to softcopy format Synopsisdcod2lum in-file out-fileDescriptionCommand line program that converts a hardcopy characteristic curve file to softcopy format. In other words, the measured optical density (OD) values from the input file are transformed to the luminance space according to the formula: L = La + L0 * 10^(-D)where…
dcmsign – Sign and Verify DICOM Files Synopsisdcmsign [options] dcmfile-in [dcmfile-out]DescriptionThe dcmsign utility reads a DICOM file (dcmfile-in), performs a digital signature operation and, if any modification has taken place, writes the DICOM object to an output file (dcmfile-out). Five digital signature operations are supported: • verification of all signatures in the DICOM file •…
dcmscale – Scale DICOM images Synopsisdcmscale [options] dcmfile-in dcmfile-outDescriptionThe dcmscale utility reads a DICOM image, scales it according to the command line settings and writes back the DICOM image. This utility only supports uncompressed and RLE compressed DICOM images. Parametersdcmfile-in DICOM input filename to be scaled dcmfile-out DICOM output filename to be writtenOptionsgeneral options -h…
dcmquant – Convert DICOM color images to palette color Synopsisdcmquant [options] dcmfile-in dcmfile-outDescriptionThe dcmquant utility reads a DICOM color image, computes a palette color look-up table of the desired size for this image (based on the median cut algorithm published by Paul Heckbert) and converts the color image into a DICOM palette color image. Parametersdcmfile-in…