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.
Usage: – debug the conversion library Synopsisfh2raw [OPTION] <FreeHand Document> Options–callgraph Display the call graph nesting level –help Shows this help message –callgraph Display the call graph nesting level –help Shows this help message
grep, egrep, fgrep, rgrep – print lines that match patterns Synopsisgrep [OPTION…] PATTERNS [FILE…] grep [OPTION…] -e PATTERNS … [FILE…] grep [OPTION…] -f PATTERN_FILE … [FILE…] Descriptiongrep searches for PATTERNS in each FILE. PATTERNS is one or more patterns separated by newline characters, and grep prints each line that matches a pattern. Typically PATTERNS should…
fgconsole – print the number of the active VT. Synopsisfgconsole [ -h –help | -V –version | -n –next-available ] DescriptionIf the active Virtual Terminal is /dev/ttyN, then prints N on standard output. If the console is a serial console, then "serial" is printed instead. -h –help Prints short usage message and exits. -V –version…
bash, :, ., [, alias, bg, bind, break, builtin, caller, cd, command, compgen, complete, compopt, continue, declare, dirs, disown, echo, enable, eval, exec, exit, export, false, fc, fg, getopts, hash, help, history, jobs, kill, let, local, logout, mapfile, popd, printf, pushd, pwd, read, readonly, return, set, shift, shopt, source, suspend, test, times, trap, true, type,…
fftwl-wisdom – create wisdom (pre-optimized FFTs) Synopsisfftwl-wisdom [OPTION]… [SIZE]… Descriptionfftwl-wisdom is a utility to generate FFTW wisdom files, which contain saved information about how to optimally compute (Fourier) transforms of various sizes. FFTW is a free library to compute discrete Fourier transforms in one or more dimensions, for arbitrary sizes, and of both real and…
fftwf-wisdom – create wisdom (pre-optimized FFTs) Synopsisfftwf-wisdom [OPTION]… [SIZE]… Descriptionfftwf-wisdom is a utility to generate FFTW wisdom files, which contain saved information about how to optimally compute (Fourier) transforms of various sizes. FFTW is a free library to compute discrete Fourier transforms in one or more dimensions, for arbitrary sizes, and of both real and…
fftw-wisdom – create wisdom (pre-optimized FFTs) Synopsisfftw-wisdom [OPTION]… [SIZE]… Descriptionfftw-wisdom is a utility to generate FFTW wisdom files, which contain saved information about how to optimally compute (Fourier) transforms of various sizes. FFTW is a free library to compute discrete Fourier transforms in one or more dimensions, for arbitrary sizes, and of both real and…
fftw-wisdom-to-conf – generate FFTW wisdom (pre-planned transforms) Synopsisfftw-wisdom-to-conf [< INPUT] [> OUTPUT] Descriptionfftw-wisdom-to-conf is a utility to generate C configuration routines from FFTW wisdom files, where the latter contain saved information about how to optimally compute (Fourier) transforms of various sizes. A configuration routine is a C subroutine that you link into your program, replacing…
fftest – tests force-feedback devices. Synopsisfftest <device> Descriptionfftest provides a variety of tests which can be applied to force-feedback devices. Beware, the tests may damage your device! Options<device> The device to test.See Alsoffcfstress(1), ffmvforce(1), jstest(1). Authorfftest was written by Johann Deneux. This manual page was written by Stephen Kitt <steve [at] sk2.org>, for the Debian…
ffset – set force-feedback device parameters Synopsisffset <device> [-g <gain>] [-a <autocenter strength>] Descriptionffset sets the gain and autocenter strength of a force-feedback device. Options<device> The device to configure. -g <gain> The gain (0-100). -a <autocenter strength> The autocenter strength (0-100).See Alsoffcfstress(1), ffmvforce(1), fftest(1), jscal(1), jstest(1). Authorffset was written by Johann Deneux. This manual page…
ffserver – ffserver video server Synopsisffserver [options] Descriptionffserver is a streaming server for both audio and video. It supports several live feeds, streaming from files and time shifting on live feeds. You can seek to positions in the past on each live feed, provided you specify a big enough feed storage. ffserver is configured through…
ffserver – ffserver video server Synopsisffserver [options] Descriptionffserver is a streaming server for both audio and video. It supports several live feeds, streaming from files and time shifting on live feeds. You can seek to positions in the past on each live feed, provided you specify a big enough feed storage. ffserver is configured through…
ffprobe – ffprobe media prober Synopsisffprobe [options] [input_url] Descriptionffprobe gathers information from multimedia streams and prints it in human- and machine-readable fashion. For example it can be used to check the format of the container used by a multimedia stream and the format and type of each media stream contained in it. If a url…
ffprobe – ffprobe media prober Synopsisffprobe [options] [input_url] Descriptionffprobe gathers information from multimedia streams and prints it in human- and machine-readable fashion. For example it can be used to check the format of the container used by a multimedia stream and the format and type of each media stream contained in it. If a url…
ffplay – FFplay media player Synopsisffplay [options] [input_url] DescriptionFFplay is a very simple and portable media player using the FFmpeg libraries and the SDL library. It is mostly used as a testbed for the various FFmpeg APIs. OptionsAll the numerical options, if not specified otherwise, accept a string representing a number as input, which may…
ffplay – FFplay media player Synopsisffplay [options] [input_url] DescriptionFFplay is a very simple and portable media player using the FFmpeg libraries and the SDL library. It is mostly used as a testbed for the various FFmpeg APIs. OptionsAll the numerical options, if not specified otherwise, accept a string representing a number as input, which may…
ffmvforce – force orientation test for force-feedback devices Synopsisffmvforce <device> [-u <update rate>] Descriptionffmvforce generates a force in a given direction, indicated by the position of the mouse pointer in relation to the center of the tool’s window. Beware, the stress test may damage your device! Options<device> The device to test. -u <update rate> The…
ffmpegthumbnailer – fast and lightweight video thumbnailer Synopsisffmpegthumbnailer [options] DescriptionFfmpegthumbnailer is a lightweight video thumbnailer that can be used by file managers to create thumbnails for your video files. The thumbnailer uses ffmpeg to decode frames from the video files, so supported videoformats depend on the configuration flags of ffmpeg. Options-i<s> : input file -o<s>…
ffmpeg2theora – command-line converter to create Ogg Theora and Ogg Vorbis files. Synopsisffmpeg2theora [options] inputfile DescriptionThis manual page documents briefly the ffmpeg2theora command. ffmpeg2theora is a program that converts any media file that ffmpeg can decode to Ogg Theora for video and Ogg Vorbis for audio. OptionsTo read from standard input, specify `-‘ as the…
ffmpeg – ffmpeg video converter Synopsisffmpeg [global_options] {[input_file_options] -i input_url} … {[output_file_options] output_url} … Descriptionffmpeg is a very fast video and audio converter that can also grab from a live audio/video source. It can also convert between arbitrary sample rates and resize video on the fly with a high quality polyphase filter. ffmpeg reads from…