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.
chem – groff preprocessor for producing chemical structure diagrams Synopsis[ — ] [filespec … ] -h –help -v –version Descriptionchem 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 all chem parts…
cheese – tool to take pictures and videos from your webcam Synopsis cheese [option…]Descriptioncheese 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 by Raphaël Slinckx….
checkpto – Helper program for Hugin’s Makefile assistant Synopsischeckpto input.pto Descriptioncheckpto 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 output -generate-argfile=file Generate Exiftool…
checkmk – Awk script for generating C unit tests for use with the Check unit testing framework. Synopsischeckmk [ clean_mode=1 ] [ input-file ] DescriptionGenerate 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 boilerplate one must…
checkisomd5 — check an MD5 checksum implanted by implantisomd5 Synopsischeckisomd5 [–md5sumonly] [–verbose] [–gauge] [isofilename | blockdevice ] DescriptionThis 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. The check can…
checkdigits – check or generate check digits VersionThis 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 describe…
checkbashisms – check for bashisms in /bin/sh scripts Synopsischeckbashisms script … checkbashisms –help|–version Descriptioncheckbashisms, 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 if possible bashisms…
"check_updates" – a Nagios plugin to check if Red Hat or Fedora system is up-to-date Descriptioncheck_updates is a Nagios plugin to check if Red Hat or Fedora system is up-to-date VersionVersion 1.6.18 Synopsis check_updates [OPTIONS] -?, –usage Print usage information -h, –help Print detailed help screen -V, –version Print version information –extra-opts=[<section>[@<config_file>]] Section and/or config_file…
check_mk – command line utility for managing Check_MK Synopsischeck_mk [GLOBAL OPTIONS] [MODE] [MODE OPTIONS] [ARGUMENTS…] Descriptioncheck_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 than with the…
checkXML – An XML lint tool for KDE DocBook XML documents. Synopsis checkXML [filename]DescriptioncheckXML 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 otherwise working…
check-regexp – test regular expressions from the command line Synopsischeck-regexp ‘regular expression’ ‘string1’ ‘string2’ … Descriptioncheck-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 the expression and…
check-module – program to check gnulib modules. Synopsischeck-module [OPTIONS] FILE… DescriptionThe 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 the set of…
check-language-support – returns the list of missing packages in order to provide a complete language environment Synopsischeck-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 the default /usr/share/language-selector…
check-bios-nx – determine if BIOS has blocked CPU’s NX capabilities Synopsischeck-bios-nx [-h|–help] [–verbose] Options-h|–help – display a help message and exit –verbose – explain in detail what has been detected DescriptionThis program attempts to determine if the running x86-based CPU has NX capabilities (regardless of it being disabled by the BIOS). If the CPU is…
cheatmake – fool make into not rebuilding certain files Synopsis cheatmake [hidechangefile] [show] [whyfile]Descriptioncheatmake 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 the actual code….
chcon – change file security context Synopsischcon [,OPTION/]… ,CONTEXT FILE/… chcon [,OPTION/]… [,-u USER/] [,-r ROLE/] [,-l RANGE/] [,-t TYPE/] ,FILE/… chcon [,OPTION/]… ,–reference=RFILE FILE/… DescriptionChange 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 options are mandatory…
chatzilla – standalone Mozilla IRC client, no browsers attached Synopsischatzilla [-h] [-chat URL] DescriptionChatZilla is normally used as part of SeaMonkey, or an extension to other browsers. However, it can also run under XULRunner, allowing ChatZilla to be used standalone, independent of a web browser. Options-h, –help display a short help text -chat, –chat open…
chattr – change file attributes on a Linux file system Synopsischattr [ -RVf ] [ -v version ] [ -p project ] [ mode ] files… Descriptionchattr changes the file attributes on a Linux file system. The format of a symbolic mode is +-=[aAcCdDeFijmPsStTux]. The operator ‘+’ causes the selected attributes to be added to…
chartex – A utility to extract charts from an Excel file for insertion into a Spreadsheet::WriteExcel file. DescriptionThis program is used for extracting one or more charts from an Excel file in binary format. The charts can then be included in a "Spreadsheet::WriteExcel" file. See the "add_chart_ext()" section of the Spreadsheet::WriteExcel documentation for more details….
chardet3 – universal character encoding detector Synopsischardet3 [file …] DescriptionReport heuristically-detected character encoding for each file. For every specified file (defaulting to stdin if no files are specified), reads and determines the character encoding of the file content. Reports the name and confidence level for each file’s detected character encoding. See Also/usr/share/doc/python-chardet3-doc/index.html Authorchardet3 module was…