The Linux Manuals (man pages) document is an important part of Linux documents. Linux Manuals are organized as several sections. Each section has a group of commands for a specific area in Linux usage, administration or development.
gdb – The GNU Debugger Synopsisgdb [-help] [-nx] [-q] [-batch] [-cd=dir] [-f] [-b bps] [-tty=dev] [-s symfile] [-e prog] [-se prog] [-c core] [-x cmds] [-d dir] [prog[core|procID]]DescriptionThe purpose of a debugger such as GDB is to allow you to see what is going on “inside” another program while it executes—or what another program was doing…
gdbserver – Remote Server for the GNU Debugger Synopsisgdbserver comm prog [args…] gdbserver –attach comm pid gdbserver –multi comm Descriptiongdbserver is a program that allows you to run GDB on a different machine than the one which is running the program being debugged. Usage (server (target) side): First, you need to have a copy of…
gdbmtool – examine and modify a GDBM database Synopsisgdbmtool [-lmNnqrs] [-b SIZE] [-c SIZE] [-f FILE] [–block-size=SIZE] [–cache-size=SIZE] [–file FILE] [–newdb] [–no-lock] [–no-mmap] [–norc] [–quiet] [–read-only] [–synchronize] [DBFILE] gdbmtool [-Vh] ][–help] [–usage] [–version] DescriptionThe gdbmtool utility allows you to view and modify an existing GDBM database or to create a new one. The DBFILE argument supplies the name of the database to open. If not…
gdbm_load – re-create a GDBM database from a dump file. Synopsisgdbm_load [-Mnr] [-b NUM] [-c NUM] [-m MODE] [-u NAME|UID[:NAME|GID]] [–block-size=NUM] [–cache-size=NUM] [–mmap=NUM] [–mode=MODE] [–no-meta] [–replace] [–user=NAME|UID[:NAME|GID]] FILE [DB_FILE] gdbm_load [-Vh] [–help] [–usage] [–version] DescriptionCreate a gdbm database file DB_FILE from the dump file FILE. If the FILE argument is not supplied, output the created database to the standard error. If the input…
gdbm_dump – dump a GDBM database to a file Synopsisgdbm_dump [-H FMT] [–format=FMT] DB_FILE [FILE] gdbm_dump [-Vh] [–help] [–usage] [–version] DescriptionThe gdbm_dump utility creates a dump of the specified gdbm(3) database file. The name for the output dump file is supplied by the second argument (FILE). If not specified, the output goes to the standard…
gdb – The GNU Debugger Synopsisgdb [OPTIONS] [prog|prog procID|prog core] DescriptionThe purpose of a debugger such as GDB is to allow you to see what is going on “inside” another program while it executes — or what another program was doing at the moment it crashed. GDB can do four main kinds of things (plus…
gdb-add-index – Add index files to speed up GDB Synopsisgdb-add-index filename DescriptionWhen GDB finds a symbol file, it scans the symbols in the file in order to construct an internal symbol table. This lets most GDB operations work quickly—at the cost of a delay early on. For large programs, this delay can be quite lengthy,…
gdalwarp – gdalwarp image reprojection and warping utility Synopsisgdalwarp [–help-general] [–formats] [-s_srs srs_def] [-t_srs srs_def] [-to "NAME=VALUE"] [-order n | -tps | -rpc | -geoloc] [-et err_threshold] [-refine_gcps tolerance [minimum_gcps]] [-te xmin ymin xmax ymax] [-tr xres yres] [-tap] [-ts width height] [-wo "NAME=VALUE"] [-ot Byte/Int16/…] [-wt Byte/Int16] [-srcnodata "value [value…]"] [-dstnodata "value [value…]"] -dstalpha…
gdaltransform – gdaltransform transforms coordinates Synopsisgdaltransform [–help-general] [-i] [-s_srs srs_def] [-t_srs srs_def] [-to "NAME=VALUE"] [-order n] [-tps] [-rpc] [-geoloc] [-gcp pixel line easting northing [elevation]]* [srcfile [dstfile]]DescriptionThe gdaltransform utility reprojects a list of coordinates into any supported projection,including GCP-based transformations. -s_srs srs def: source spatial reference set. The coordinate systems that can be passed are…
gdaltindex – gdaltindex Builds a shapefile as a raster tileindex Synopsisgdaltindex [-f format] [-tileindex field_name] [-write_absolute_path] [-skip_different_projection] [-t_srs target_srs] [-src_srs_name field_name] [-src_srs_format [AUTO|WKT|EPSG|PROJ] [-lyr_name name] index_file [gdal_file]*DescriptionThis program builds a shapefile with a record for each input raster file, an attribute containing the filename, and a polygon geometry outlining the raster. This output is suitable…
gdalsrsinfo – gdalsrsinfo lists info about a given SRS in number of formats (WKT, PROJ.4, etc.) SynopsisUsage: gdalsrsinfo [options] srs_def srs_def may be the filename of a dataset supported by GDAL/OGR from which to extract SRS information OR any of the usual GDAL/OGR forms (complete WKT, PROJ.4, EPSG:n or a file containing the SRS) Options:…
gdalmove – gdalmove.py Transform georeferencing of raster file in place Synopsisgdalmove.py [-s_srs <srs_defn>] -t_srs <srs_defn> [-et <max_pixel_err>] target_fileDescriptionThe gdalmove.py script transforms the bounds of a raster file from one coordinate system to another, and then updates the coordinate system and geotransform of the file. This is done without altering pixel values at all. It is…
gdalmanage – gdalmanage Identify, delete, rename and copy raster data files SynopsisUsage: gdalmanage mode [-r] [-u] [-f format] datasetname [newdatasetname]DescriptionThe gdalmanage program can perform various operations on raster data files, depending on the chosen mode. This includes identifying raster data types and deleting, renaming or copying the files. mode: Mode of operation identify datasetname: List…
gdallocationinfo – gdallocationinfo raster query tool SynopsisUsage: gdallocationinfo [–help-general] [-xml] [-lifonly] [-valonly] [-b band]* [-overview overview_level] [-l_srs srs_def] [-geoloc] [-wgs84] srcfile [x y]DescriptionThe gdallocationinfo utility provide a mechanism to query information about a pixel given it’s location in one of a variety of coordinate systems. Several reporting options are provided. -xml: The output report will…
gdalinfo – gdalinfo lists information about a raster dataset Synopsisgdalinfo [–help-general] [-mm] [-stats] [-hist] [-nogcp] [-nomd] [-norat] [-noct] [-nofl] [-checksum] [-proj4] [-listmdd] [-mdd domain|`all`]* [-sd subdataset] datasetnameDescriptionThe gdalinfo program lists various information about a GDAL supported raster dataset. -mm Force computation of the actual min/max values for each band in the dataset. -stats Read and…
gdaldem – gdaldem Tools to analyze and visualize DEMs. (since GDAL 1.7.0) Synopsis– To generate a shaded relief map from any GDAL-supported elevation raster : gdaldem hillshade input_dem output_hillshade [-z ZFactor (default=1)] [-s scale* (default=1)]" [-az Azimuth (default=315)] [-alt Altitude (default=45)] [-alg ZevenbergenThorne] [-combined] [-compute_edges] [-b Band (default=1)] [-of format] [-co "NAME=VALUE"]* [-q] – To…
gdalcompare – gdalcompare.py compare two images Synopsisgdalcompare.py [-sds] golden_file new_fileDescriptionThe gdalcompare.py script compares two GDAL supported datasets and reports the differences. In addition to reporting differences to the standard out the script will also return the difference count in it’s exit value. Image pixels, and various metadata are checked. There is also a byte by…
gdalbuildvrt – gdalbuildvrt Builds a VRT from a list of datasets. (compiled by default since GDAL 1.6.1) Synopsisgdalbuildvrt [-tileindex field_name] [-resolution {highest|lowest|average|user}] [-te xmin ymin xmax ymax] [-tr xres yres] [-tap] [-separate] [-b band] [-sd subdataset] [-allow_projection_difference] [-q] [-addalpha] [-hidenodata] [-srcnodata "value [value…]"] [-vrtnodata "value [value…]"] [-a_srs srs_def] [-input_file_list my_liste.txt] [-overwrite] output.vrt [gdalfile]*DescriptionThis program builds…
gdaladdo – gdaladdo builds or rebuilds overview images Synopsisgdaladdo [-r {nearest,average,gauss,cubic,average_mp,average_magphase,mode}] [-b band] [-ro] [-clean] [–help-general] filename levelsDescriptionThe gdaladdo utility can be used to build or rebuild overview images for most supported file formats with one of several downsampling algorithms. -r {nearest (default),average,gauss,cubic,average_mp,average_magphase,mode}: Select a resampling algorithm. -b band: (available from GDAL 1.10) Select an…
gdal_utilities – GDAL Utilities The following utility programs are distributed with GDAL. • gdalinfo – report information about a file. • gdal_translate – Copy a raster file, with control of output format. • gdaladdo – Add overviews to a file. • gdalwarp – Warp an image into a new coordinate system. • gdaltindex – Build…