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 jpilot-sync – A command line tool for syncing jpilot databases to a Palm OS device. SYNOPSIS jpilot-sync [-v] [-h] [-d] [-P] [-b] [-l] [-p port] DESCRIPTION J-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…
NAME jpilot-dump – A command line tool for dumping jpilot databases. SYNOPSIS jpilot-dump [ options ] DESCRIPTION Dump 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….
NAME jpilot-dial – generates the DTMF tone signals used for telephone dialing SYNOPSIS jpilot-dial [options] number… DESCRIPTION jpilot-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…
NAME jpegicc – little cms ICC profile applier for JPEG. SYNOPSIS jpegicc [options] input.jpg output.jpg DESCRIPTION lcms 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,…
NAME jpgicc – little cms ICC profile applier for JPEG. SYNOPSIS jpgicc [options] input.jpg output.jpg DESCRIPTION lcms 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,…
NAME jpegtran – lossless transformation of JPEG files SYNOPSIS jpegtran [ options ] [ filename ] DESCRIPTION jpegtran 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…
NAME jpegtopnm – convert JPEG/JFIF file to portable pixmap or graymap SYNOPSIS jpegtopnm [-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. DESCRIPTION jpegtopnm converts the named JFIF file, or the standard input if no file is named to…
NAME jpegoptim – utility to optimize/compress JPEG/JFIF files. SYNOPSIS jpegoptim [ options ] [ filenames ] DESCRIPTION jpegoptim 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….
NAME jpeginfo – prints information and tests integrity of JPEG/JFIF files. SYNOPSIS jpeginfo [ options ] [ filenames ] DESCRIPTION jpeginfo 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. OPTIONS Options may be either the traditional POSIX one…
NAME jpegicc – little cms ICC profile applier for JPEG. SYNOPSIS jpegicc [options] input.jpg output.jpg DESCRIPTION lcms 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,…
NAME jpegexiforient – reads or writes the Exif Orientation Tag SYNOPSIS jpegexiforient [switches] jpegfile DESCRIPTION This 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…
NAME jpeg_extract – jpeg extractor SYNOPSIS jpeg_extract <filename> DESCRIPTION jpeg_extractor is used by fiwalk, provided by TSK (The Sleuth Kit) to manipulate JPG files. AUTHOR The 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…
NAME jpeg2yuv – Convert jpeg images to the yuv format. SYNOPSIS jpeg2yuv [-b num] [-f num] [-I num] [-A ratio] [-L num] [-n num] [-l num] [-j filename] DESCRIPTION jpeg2yuv 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…
NAME jpeg2ktopam – convert JPEG-2000 code stream to PAM/PNM SYNOPSIS jpeg2ktopam [-verbose] [-debuglevel=number] filename OPTION USAGE Minimum 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. DESCRIPTION…
NAME jove – an interactive display-oriented text editor SYNOPSIS jove [ -d directory ] [ -l libdir ] [ -s sharedir ] [ -ls bothdir ] [ -J ] [ -j ] [ -wn ] [ -t tag ] [ +n file ] [ +/pattern file ] [ -p file ] [ file… ] jove -r DESCRIPTION JOVE is Jonathan’s Own…
NAME journalctl – Query the systemd journal SYNOPSIS journalctl [OPTIONS…] [MATCHES…] DESCRIPTION journalctl 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,…
NAME josm – Java OpenStreetMap Editor SYNOPSIS josm DESCRIPTION JOSM is an editor for OpenStreetMap written in Java 7. OpenStreetMap is a project aimed squarely at creating and providing free geographic data such as street maps to anyone who wants them. It allows you to view, edit and use geographical data in a collaborative way…
NAME join – join lines of two files on a common field SYNOPSIS join [,OPTION/]… ,FILE1 FILE2/ DESCRIPTION For each pair of input lines with identical join fields, write a line to standard output. The default join field is the first, delimited by blanks. When FILE1 or FILE2 (not both) is -, read standard input….
NAME join-dctrl – perform relational join on data in dctrl format SYNOPSIS join-dctrl [ options ] filename filename join-dctrl –version join-dctrl –help DESCRIPTION join-dctrl performs a relational join operation on data given to it in Debian control file format. A join field must be specified using either the switches -1 and -2 or the switch…
Name joe – Joe’s Own Editor Syntax joe [global-options] [ [local-options] filename ]… jstar [global-options] [ [local-options] filename ]… jmacs [global-options] [ [local-options] filename ]… rjoe [global-options] [ [local-options] filename ]… jpico [global-options] [ [local-options] filename ]… Description JOE is a powerful ASCII-text screen editor. It has a "mode-less" user interface which is similar to…