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.
jps – Lists the instrumented Java Virtual Machines (JVMs) on the target system. This command is experimental and unsupported. Synopsisjps [ options ] [ hostid ]options Command-line options. See Options. hostid The identifier of the host for which the process report should be generated. The hostid can include optional components that indicate the communications protocol,…
jps – Java Virtual Machine Process Status Tool Synopsisjps [ options ] [ hostid ] Parametersoptions Command-line options. hostid The host identifier of the host for which the process report should be generated. The hostid may include optional components that indicate the communications protocol, port number, and other implementation specific data.DescriptionThe jps tool lists the…
jps – Java Virtual Machine Process Status Tool Synopsisjps [ options ] [ hostid ] Parametersoptions Command-line options. hostid The host identifier of the host for which the process report should be generated. The hostid may include optional components that indicate the communications protocol, port number, and other implementation specific data.DescriptionThe jps tool lists the…
jpilot – A palm pilot desktop for Linux/Unix Synopsisjpilot [-v] [-h] [-d] [-a] [-A] [-i] [-s] DescriptionJ-Pilot is a desktop organizer application for the palm pilot and other Palm OS devices. It is similar in functionality to the one that 3Com/Palm distributes. Options-v displays version and exits. -h displays help and exits. -d displays debug…
jpilot-sync – A command line tool for syncing jpilot databases to a Palm OS device. Synopsisjpilot-sync [-v] [-h] [-d] [-P] [-b] [-l] [-p port] DescriptionJ-Pilot preferences are read to get port, rate, number of backups, etc. They are read from the directory $JPILOT_HOME/.jpilot/jpilot.rc Options-v Print out the version and exit. -h Print out help and…
jpilot-dump – A command line tool for dumping jpilot databases. Synopsisjpilot-dump [ options ] DescriptionDump jpilot databases. Options+B +M +A +T format like date +format. -v displays version and exits. -h displays help and exits. -f displays help for format codes. -D dump DateBook. -N dump appts for today in DateBook. -NYYYY/MM/DD dump appts on…
jpilot-dial – generates the DTMF tone signals used for telephone dialing Synopsisjpilot-dial [options] number… Descriptionjpilot-dial generates the DTMF tone signals used for telephone dialing and by default sends the signals to the sound card. It can be used for easy dialing, simply put the telephone microphone near the computer speaker and let the software dial…
jpegicc – little cms ICC profile applier for JPEG. Synopsisjpegicc [options] input.jpg output.jpg Descriptionlcms is a standalone CMM engine, which deals with the color management. It implements a fast transformation between ICC profiles. jpegicc is little cms ICC profile applier for JPEG. Options-b Black point compensation. -c <0,1,2,3> Precalculates transform. (0=Off, 1=Normal, 2=Hi-res, 3=LoRes) [defaults…
jpgicc – little cms ICC profile applier for JPEG. Synopsisjpgicc [options] input.jpg output.jpg Descriptionlcms is a standalone CMM engine, which deals with the color management. It implements a fast transformation between ICC profiles. jpgicc is a little cms ICC profile applier for JPEG. Options-b Black point compensation. -c NUM Precalculates transform (0=Off, 1=Normal, 2=Hi-res, 3=LoRes) [defaults…
jpegtran – lossless transformation of JPEG files Synopsisjpegtran [ options ] [ filename ] Descriptionjpegtran performs various useful transformations of JPEG files. It can translate the coded representation from one variant of JPEG to another, for example from baseline JPEG to progressive JPEG or vice versa. It can also perform some rearrangements of the image…
jpegtopnm – convert JPEG/JFIF file to portable pixmap or graymap Synopsisjpegtopnm [-dct {int|fast|float}] [-nosmooth] [-maxmemory N] [{-adobe|-notadobe}] [-comments] [-dumpexif] [-exif=filespec] [-verbose] [-tracelevel N] [ filename ] All options may be abbreviated to their shortest unique prefix. Descriptionjpegtopnm converts the named JFIF file, or the standard input if no file is named to a PPM or…
jpegoptim – utility to optimize/compress JPEG/JFIF files. Synopsisjpegoptim [ options ] [ filenames ] Descriptionjpegoptim is used to optimize/compress jpeg files. Program supports lossless optimization, which is based on optimizing the Huffman tables. And so called "lossy" optimization where in addition to optimizing Huffman tables user can specify upperlimit for image quality. NOTE! By default…
jpeginfo – prints information and tests integrity of JPEG/JFIF files. Synopsisjpeginfo [ options ] [ filenames ] Descriptionjpeginfo is used to generate informative listings of jpeg files, and also to check jpeg files for errors. Program also supports automatic deletion of broken jpegs. OptionsOptions may be either the traditional POSIX one letter options, or the…
jpegicc – little cms ICC profile applier for JPEG. Synopsisjpegicc [options] input.jpg output.jpg Descriptionlcms is a standalone CMM engine, which deals with the color management. It implements a fast transformation between ICC profiles. jpegicc is little cms ICC profile applier for JPEG. Options-b Black point compensation. -c <0,1,2,3> Precalculates transform. (0=Off, 1=Normal, 2=Hi-res, 3=LoRes) [defaults…
jpegexiforient – reads or writes the Exif Orientation Tag Synopsisjpegexiforient [switches] jpegfile DescriptionThis is a utility program to get and set the Exif Orientation Tag. It can be used together with jpegtran in scripts for automatic orientation correction of digital camera pictures. The Exif orientation value gives the orientation of the camera relative to the…
jpeg_extract – jpeg extractor Synopsisjpeg_extract <filename>Descriptionjpeg_extractor is used by fiwalk, provided by TSK (The Sleuth Kit) to manipulate JPG files. AuthorThe Sleuth Kit was written by Brian Carrier <carrier [at] sleuthkit.org>. This manual page was written by Joao Eriberto Mota Filho <eriberto [at] debian.org> for the Debian project (but may be used by others).
jpeg2yuv – Convert jpeg images to the yuv format. Synopsisjpeg2yuv [-b num] [-f num] [-I num] [-A ratio] [-L num] [-n num] [-l num] [-j filename] Descriptionjpeg2yuv decompresses a sequence of JPEG files and pipes the image data to stdout as a YUV4MPEG2 stream. Any JPEG format supported by libjpeg can be read. stdout will…
jpeg2ktopam – convert JPEG-2000 code stream to PAM/PNM Synopsisjpeg2ktopam [-verbose] [-debuglevel=number] filename Option UsageMinimum unique abbreviation of option is acceptable. You may use double hyphens instead of single hyphen to denote options. You may use white space in place of the equals sign to separate an option name from its value. DescriptionThis program is part…
jove – an interactive display-oriented text editor Synopsisjove [ -d directory ] [ -l libdir ] [ -s sharedir ] [ -ls bothdir ] [ -J ] [ -j ] [ -wn ] [ -t tag ] [ +n file ] [ +/pattern file ] [ -p file ] [ file… ] jove -r DescriptionJOVE is Jonathan’s Own Version of Emacs….
journalctl – Query the systemd journal Synopsis journalctl [OPTIONS…] [MATCHES…]Descriptionjournalctl may be used to query the contents of the systemd(1) journal as written by systemd-journald.service(8). If called without parameters, it will show the full contents of the journal, starting with the oldest entry collected. If one or more match arguments are passed, the output is…