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.
NAME opusenc – encode audio into the Opus format SYNOPSIS opusenc [ -h ] [ -V ] [ –bitrate kbit/sec ] [ –vbr ] [ –cvbr ] [ –hard-cbr ] [ –comp complexity ] [ –framesize 2.5, 5, 10, 20, 40, 60 ] [ –expect-loss pct ] [ –downmix-mono ] [ –downmix-stereo ] [ –max-delay…
NAME opusdec – decode audio from Opus format to WAV (or simple audio output) SYNOPSIS opusdec [ -hV ] [ –rate Hz ] [ –gain dB ] [ –no-dither ] [ –force-wav ] [ –packet-loss pct ] [ –save-range file ] input.opus [ output.wav ] DESCRIPTION opusdec decodes Opus files into PCM Wave (uncompressed) files….
NAME OptiPNG – Optimize Portable Network Graphics files SYNOPSIS optipng [-? | -h | -help] optipng [options…] files… DESCRIPTION The OptiPNG program shall attempt to optimize PNG files, i.e. reduce their size to a minimum, without losing semantic information. In addition, this program shall perform a suite of auxiliary functions like integrity checks, metadata recovery…
NAME optex – OPmac and Plain TeX for LuaTeX engine. SYNOPSIS optex [ first line ] DESCRIPTION This manual page was derived from the manual page for LaTeX and is not meant to be exhaustive. The complete documentation for this version of TeX can be found in the info file or manual Web2C: A TeX…
NAME opt – LLVM optimizer SYNOPSIS opt [options] [filename] DESCRIPTION The opt command is the modular LLVM optimizer and analyzer. It takes LLVM source files as input, runs the specified optimizations or analyses on it, and then outputs the optimized file or the analysis results. The function of opt depends on whether the -analyze option…
NAME opt – LLVM optimizer SYNOPSIS opt [options] [filename] DESCRIPTION The opt command is the modular LLVM optimizer and analyzer. It takes LLVM source files as input, runs the specified optimizations or analyses on it, and then outputs the optimized file or the analysis results. The function of opt depends on whether the -analyze option…
NAME oprofile – a system-wide profiler SYNOPSIS opcontrol [ options ] opreport [ options ] [ profile specification ] opannotate [ options ] [ profile specification ] oparchive [ options ] [ profile specification ] opgprof [ options ] [ profile specification ] DESCRIPTION OProfile is a profiling system for systems running Linux 2.6 and…
NAME oprof_start – A GUI interface for OProfile SYNOPSIS oprof_start [ options ] DESCRIPTION The oprof_start application provides a GUI interface to control the operation of OProfile. Running oprof_start requires root privileges and does not support operf due to oprof_start using the older opcontrol script. ENVIRONMENT No special environment variables are recognised by oprof_start. FILES…
NAME opreport – produce symbol or binary image summaries SYNOPSIS opreport [ options ] [profile specification] DESCRIPTION opreport outputs binary image summaries, or per-symbol data, from OProfile profiling sessions. See oprofile(1) for how to write profile specifications. OPTIONS –accumulated / -a Accumulate sample and percentage counts in the symbol list. –debug-info / -g Show source…
NAME opl2ofm – convert Omega and TeX property-list files to font-metric files SYNOPSIS opl2ofm [OPTIONS] OPLFILE[.opl] [OFMFILE[.ofm]] DESCRIPTION opl2ofm translates a property-list format file, OPLFILE, into the binary Omega Font Metric format. The program writes to standard output (by default) or to a file specified as OFMFILE. The program also works with TeX PL files,…
NAME opimport – converts sample database files SYNOPSIS opimport [ options ] input_file DESCRIPTION opimport converts sample database files from a foreign binary format (abi) to the native format. OPTIONS –abi / -a Input abi file description location. –force / -f Force conversion even if the input and output abi are identical. –output / -o…
NAME ophelp – list OProfile events SYNOPSIS ophelp [ options ] [event name] DESCRIPTION By default, ophelp lists the available performance counter options. If you give it a symbolic event name, it will return the hardware value (e.g. "ophelp DATA_MEM_REFS"). OPTIONS –cpu-type / -c Show the events for the given numerical CPU type. –get-cpu-type /…
NAME opgprof – produce gprof-format profile data SYNOPSIS opgprof [ options ] [profile specification] DESCRIPTION opgprof outputs gprof-format profile data for a given binary image, from an OProfile session. See oprofile(1) for how to write profile specifications. OPTIONS –help / -? / –usage Show help message. –version / -v Show version. –verbose / -V [options]…
NAME operon – command line music tagger SYNOPSIS operon[–version][–help][-v | –verbose]<command>[<argument>…] operon help<command> OPTIONS -h, –help Display help and exit –version Print the program version -v, –verbose Verbose mode COMMAND-OVERVIEW Edit Tags add Add a tag value remove Remove a tag value set Set a tag and remove existing values clear Remove tags copy Copy…
NAME operf – Performance profiler tool for Linux SYNOPSIS operf [ options ] [ –system-wide | –pid <pid> | [ command [ args ] ] ] DESCRIPTION Operf is an OProfile tool that can be used in place of opcontrol for profiling. Operf uses the Linux Performance Events Subsystem, and hence, does not require the…
NAME openvt – start a program on a new virtual terminal (VT). SYNOPSIS openvt [-c vtnumber] [OPTIONS] [–] command DESCRIPTION openvt will find the first available VT, and run on it the given command with the given command options, standard input, output and error are directed to that terminal. The current search path ($PATH) is…
NAME opentool – Command line tool for starting tools SYNOPSIS opentool [–library-combo=…] tool [arguments…] DESCRIPTION opentool is obsolete. You should make sure that the Tools directories are in your PATH, and then opentool is not needed anymore. SEE ALSO openapp(1), debugapp(1), GNUstep(7) HISTORY Work on opentool started in 1997 and was written by Scott Predescu…
NAME openstack – OpenStack Command Line Client OpenStack Command Line SYNOPSIS openstack [<global-options>] <command> [<command-arguments>] openstack help <command> openstack –help DESCRIPTION openstack provides a common command-line interface to OpenStack APIs. It is generally equivalent to the CLIs provided by the OpenStack project client libraries, but with a distinct and consistent command structure. AUTHENTICATION METHODS openstack…
NAME openstack-status – Show status overview of installed OpenStack services SYNOPSIS openstack-status DESCRIPTION Query the system for installed OpenStack services and display both the running state and basic information managed by those services. Index
NAME openstack-service – Control enabled openstack services SYNOPSIS openstack-service <action> [service]… DESCRIPTION <action> can be ‘list’ or an action supported by the service. ‘list’ will list the enabled openstack services. Any specified [service]s filter the list of enabled openstack services. SEE ALSO openstack-status(1) Index