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 chfn – change real user name and information SYNOPSIS chfn [options] [LOGIN] DESCRIPTION The chfn command changes user fullname, office room number, office phone number, and home phone number information for a user’s account. This information is typically printed by finger(1) and similar programs. A normal user may only change the fields for her…
NAME cherrytree – a hierarchical note taking application SYNOPSIS cherrytree [filepath [-n nodename] [-x export_to_html_dir]] DESCRIPTION cherrytree is a hierarchical note taking application, featuring rich text, syntax highlighting, images handling, hyperlinks, import/export with support for multiple formats, support for multiple languages, and more. AUTHOR cherrytree was written by Giuseppe Penone <giuspen [at] gmail.com>. This manual…
NAME cherryd – cherryd SYNOPSIS cherryd [options] OPTIONS -h, –help show this help message and exit -c CONFIG, –config=CONFIG specify config file(s) -d run the server as a daemon -e ENVIRONMENT, –environment=ENVIRONMENT apply the given config environment -f start a fastcgi server instead of the default HTTP server -s start a scgi server instead of…
NAME chemtool – chemical structures editor SYNOPSIS chemtool [filename] DESCRIPTION chemtool is a program for drawing organic molecules and exporting them as a X bitmap, PNG, PicTeX, Xfig, SVG, SXD, MDL or EPS file. It runs under the X Window System using the GTK widget set. The program offers essentially unlimited undo/redo, two text fonts…
NAME chem – groff preprocessor for producing chemical structure diagrams SYNOPSIS [ — ] [filespec … ] -h –help -v –version DESCRIPTION chem produces chemical structure diagrams. Today’s version is best suited for organic chemistry (bonds, rings). The chem program is a groff preprocessor like eqn, pic, tbl, etc. It generates pic output such that…
NAME cheese – tool to take pictures and videos from your webcam SYNOPSIS cheese [option…] DESCRIPTION cheese uses your webcam to take photos and videos, applies fancy special effects and lets you share the fun with others. It was written as part of Google’s 2007 Summer of Code lead by daniel g. siegel and mentored…
NAME checkpto – Helper program for Hugin’s Makefile assistant SYNOPSIS checkpto input.pto DESCRIPTION checkpto examines the connections between images in a project and reports back the number of parts or image groups in that project checkpto is used by the Assistant Makefile when creating a new project. FURTHER SWITCHES –print-output-info Print more information about the…
NAME checkmk – Awk script for generating C unit tests for use with the Check unit testing framework. SYNOPSIS checkmk [ clean_mode=1 ] [ input-file ] DESCRIPTION Generate C-language source files containing unit tests for use with the Check unit testing framework. The aim of this script is to automate away some of the typical…
NAME checkisomd5 — check an MD5 checksum implanted by implantisomd5 SYNOPSIS checkisomd5 [–md5sumonly] [–verbose] [–gauge] [isofilename | blockdevice ] DESCRIPTION This manual page documents briefly the checkisomd5 command. checkisomd5 is a program that checks an embedded MD5 checksum in a ISO9660 image (.iso), or block device. The checksum is embedded by the corresponding implantisomd5 command….
checkdigits – check or generate check digits Version This document describes checkdigits v1.3.2 Synopsis checkdigits [Options] command [[number] …] options: -algorithm alg – use this algorithm commands: check – check validity of number containing checkdigit checkdigit – return checkdigit belonging to number complete – return number completed with checkdigit list_algorithms – list all known algorithms…
NAME checkbashisms – check for bashisms in /bin/sh scripts SYNOPSIS checkbashisms script … checkbashisms –help|–version DESCRIPTION checkbashisms, based on one of the checks from the lintian system, performs basic checks on /bin/sh shell scripts for the possible presence of bashisms. It takes the names of the shell scripts on the command line, and outputs warnings…
NAME "check_updates" – a Nagios plugin to check if Red Hat or Fedora system is up-to-date DESCRIPTION check_updates is a Nagios plugin to check if Red Hat or Fedora system is up-to-date VERSION Version 1.6.18 SYNOPSIS check_updates[OPTIONS] – ?, –usage Print usage information – h, –help Print detailed help screen – V, –version Print version…
NAME check_mk – command line utility for managing Check_MK SYNOPSIS check_mk [GLOBAL OPTIONS] [MODE] [MODE OPTIONS] [ARGUMENTS…] DESCRIPTION check_mk (or its alias cmk) is a command line utility for managing some aspects of the Check_MK Monitoring System. It can be used for diagnosis, for automating things in scripts and for doing some tasks more efficiently…
checkXML – An XML lint tool for KDE DocBook XML documents. Synopsis checkXML [filename] Description checkXML is a tool to check for syntax errors in KDE DocBook XML files. It can also be used for other DocBook based XML files, but you should use the less specific xmllint(1) tool if you are not writing or…
NAME check-regexp – test regular expressions from the command line SYNOPSIS check-regexp ‘regular expression’ ‘string1’ ‘string2’ … DESCRIPTION check-regexp (GNU Source-highlight) You simply pass as the first command line argument the regular expression and then the strings you want to try to match. It is crucial, in order to avoid shell substitutions, to enclose both…
NAME check-module – program to check gnulib modules. SYNOPSIS check-module [OPTIONS] FILE… DESCRIPTION The GNU portability library is a macro system and C declarations and definitions for commonly-used API elements and abstracted system behaviors. It can be used to improve portability and other functionality in your programs. check-module reads a module description file and derives…
NAME check-language-support – returns the list of missing packages in order to provide a complete language environment SYNOPSIS check-language-support [options] OPTIONS -h, –help show this help message and exit -l LANGUAGE, –language=LANGUAGE target language code – if omitted, check for all languages on the system -d DATADIR, –datadir=DATADIR use an alternative data directory instead of…
NAME check-bios-nx – determine if BIOS has blocked CPU’s NX capabilities SYNOPSIS check-bios-nx [-h|–help] [–verbose] OPTIONS -h|–help – display a help message and exit –verbose – explain in detail what has been detected DESCRIPTION This program attempts to determine if the running x86-based CPU has NX capabilities (regardless of it being disabled by the BIOS)….
NAME cheatmake – fool make into not rebuilding certain files SYNOPSIS cheatmake [hidechangefile] [show] [whyfile] DESCRIPTION cheatmake is used to save time when recompiling. It can fool make into skipping files that haven’t changed in a meaningful way. This can be used for instance when you change a comment in a file but none of…
NAME chcon – change file security context SYNOPSIS chcon [,OPTION/]… ,CONTEXT FILE/… chcon [,OPTION/]… [,-u USER/] [,-r ROLE/] [,-l RANGE/] [,-t TYPE/] ,FILE/… chcon [,OPTION/]… ,–reference=RFILE FILE/… DESCRIPTION Change the SELinux security context of each FILE to CONTEXT. With –reference, change the security context of each FILE to that of RFILE. Mandatory arguments to long…