command
stringlengths
1
42
description
stringlengths
29
182k
name
stringlengths
7
64.9k
synopsis
stringlengths
4
85.3k
options
stringclasses
593 values
examples
stringclasses
455 values
unwrap-diff
null
null
null
null
null
gen-rc
null
null
null
null
null
adig
Send queries to DNS servers about NAME and print received information, where NAME is a valid DNS name (e.g. www.example.com, 1.2.3.10.in- addr.arpa). This utility comes with the c-ares asynchronous resolver library.
adig - print information collected from Domain Name System (DNS) servers
adig [OPTION]... NAME...
-c class Set the query class. Possible values for class are ANY, CHAOS, HS and IN (default). -d Print some extra debugging output. -f flag Add a behavior control flag. Possible values for flag are igntc - ignore query truncation, return answer as-is instead of retrying via tcp. noaliases - don't honor the HOSTAL...
null
pydoc3.10
null
null
null
null
null
dh_server
null
null
null
null
null
speexdec
Decodes a Speex file and produce a WAV file or raw file input_file can be: filename.spx regular Speex file - stdin output_file can be: filename.wav Wav file filename.* Raw PCM file (any extension other that .wav) - stdout (nothing) Will be played to soundcard
speexdec - The reference implementation speex decoder.
speexdec [options] input_file.spx [output_file]
--enh Enable perceptual enhancement (default) --no-enh Disable perceptual enhancement --force-nb Force decoding in narrowband --force-wb Force decoding in wideband --force-uwb Force decoding in ultra-wideband --mono Force decoding in mono --stereo Force decoding in stereo --rate n Force decoding at sampling rate n Hz ...
null
pkcs1-conv
null
null
null
null
null
aarch64-apple-darwin23-gcc-ar-13
null
null
null
null
null
gexpand
Convert tabs in each FILE to spaces, writing to standard output. With no FILE, or when FILE is -, read standard input. Mandatory arguments to long options are mandatory for short options too. -i, --initial do not convert tabs after non blanks -t, --tabs=N have tabs N characters apart, not 8 -t, --tabs=LIST use comma se...
expand - convert tabs to spaces
expand [OPTION]... [FILE]...
null
null
gruncon
Run COMMAND with completely-specified CONTEXT, or with current or transitioned security context modified by one or more of LEVEL, ROLE, TYPE, and USER. If none of -c, -t, -u, -r, or -l, is specified, the first argument is used as the complete context. Any additional arguments after COMMAND are interpreted as arguments...
runcon - run command with specified security context
runcon CONTEXT COMMAND [args] runcon [ -c ] [-u USER] [-r ROLE] [-t TYPE] [-l RANGE] COMMAND [args]
null
null
gpathchk
Diagnose invalid or unportable file names. -p check for most POSIX systems -P check for empty names and leading "-" --portability check for all POSIX systems (equivalent to -p -P) --help display this help and exit --version output version information and exit AUTHOR Written by Paul Eggert, David MacKenzie, and ...
pathchk - check whether file names are valid or portable
pathchk [OPTION]... NAME...
null
null
img2webp
This manual page documents the img2webp command. img2webp compresses a sequence of images using the animated WebP format. Input images can either be PNG, JPEG, TIFF or WebP. If a single file name (not starting with the character '-') is supplied as the argument, the command line arguments are actually tokenized from t...
img2webp - create animated WebP file from a sequence of input images.
img2webp [file_options] [[frame_options] frame_file]... [-o webp_file] img2webp argument_file_name
null
null
giftext
A program to dump (text only) general information about GIF file. If no GIF file is given, giftext will try to read a GIF file from stdin.
giftext - dump GIF pixels and metadata as text
giftext [-v] [-c] [-e] [-z] [-p] [-r] [-h] [gif-file]
-v Verbose mode (show progress). Enables printout of running scan lines. -c Dumps the color maps. -e Dumps encoded bytes - the pixels after compressed using LZ algorithm and chained to form bytes. This is the form the data is saved in the GIF file. Dumps in hex - 2 digit per byte. -z Dumps the LZ codes of the image. Du...
null
hwloc-ls
lstopo and lstopo-no-graphics are capable of displaying a topological map of the system in a variety of different output formats. The only difference between lstopo and lstopo-no-graphics is that graphical outputs are only supported by lstopo, to reduce dependencies on external libraries. hwloc-ls is identical to lst...
lstopo, lstopo-no-graphics, hwloc-ls - Show the topology of the system
lstopo [ options ]... [ filename ] lstopo-no-graphics [ options ]... [ filename ] hwloc-ls [ options ]... [ filename ] Note that hwloc(7) provides a detailed explanation of the hwloc system; it should be read before reading this man page
--of <format>, --output-format <format> Enforce the output in the given format. See the OUTPUT FORMATS section below. -i <path>, --input <path> Read the topology from <path> instead of discovering the topology of the local machine. If <path> is a file, it may be a XML file exported by a previous hwloc program. If <pa...
To display the machine topology in textual mode: lstopo-no-graphics To display the machine topology in ascii-art mode: lstopo-no-graphics -.ascii To display in graphical mode (assuming that the DISPLAY environment variable is set to a relevant value): lstopo To export the topology to a PNG file: lstopo file.png To expo...
strerror
The strerror(), strerror_r(), and perror() functions look up the error message string corresponding to an error number. The strerror() function accepts an error number argument errnum and returns a pointer to the corresponding message string. The strerror_r() function renders the same result into strerrbuf for a maximu...
perror, strerror, strerror_r, sys_errlist, sys_nerr – system error messages LIBRARY Standard C Library (libc, -lc)
#include <stdio.h> void perror(const char *s); extern const char * const sys_errlist[]; extern const int sys_nerr; #include <string.h> char * strerror(int errnum); int strerror_r(int errnum, char *strerrbuf, size_t buflen);
null
null
bd_splice
null
null
null
null
null
pdftotext
Pdftotext converts Portable Document Format (PDF) files to plain text. Pdftotext reads the PDF file, PDF-file, and writes a text file, text-file. If text-file is not specified, pdftotext converts file.pdf to file.txt. If text-file is ´-', the text is sent to stdout. If PDF-file is ´-', it reads the PDF file from std...
pdftotext - Portable Document Format (PDF) to text converter (version 3.03)
pdftotext [options] PDF-file [text-file]
-f number Specifies the first page to convert. -l number Specifies the last page to convert. -r number Specifies the resolution, in DPI. The default is 72 DPI. -x number Specifies the x-coordinate of the crop area top left corner -y number Specifies the y-coordinate of the crop area top left corner -W number Specifies...
null
plotframes
null
null
null
null
null
obs
null
null
null
null
null
vlc
null
null
null
null
null
defncopy
defncopy is a utility program distributed with FreeTDS. It replaces a similar program of the same name distributed by Sybase. defncopy reads the text of a stored procedure or view, and writes a script suitable for recreating the procedure or view. For tables, it reads the output of sp_help and constructs a ‘CREATE TABL...
defncopy – extract procedures and views from a Microsoft server.
defncopy [-v] [-U username] [-P password] [-S server] [-D database] [-i input_file] [-o output_file] [owner.object_name [owner.object_name ...]]
-U username database server login name. -P password database server password. -S server database server to which to connect. -D database database to use. Optional if the procedure/view being extracted is in your default database. -i input_file a script to apply to the database. Not currently implemented. -o output_file...
null
yapf
null
null
null
null
null
generate_lut_template
null
null
null
null
null
filetype
null
null
null
null
null
pyrsa-keygen
null
null
null
null
null
chktest
null
null
null
null
null
geckodriver
null
null
null
null
null
crl_app
null
null
null
null
null
python3-config
null
null
null
null
null
pango-segmentation
null
null
null
null
null
rsa_verify
null
null
null
null
null
f2py
null
null
null
null
null
pinecone
null
null
null
null
null
gradio
null
null
null
null
null
tiffset
tiffset sets the value of a TIFF header to a specified value or removes an existing setting.
tiffset - set or unset a field in a TIFF header
tiffset [ options ] filename.tif
-d dirnumber Change the current directory (starting at 0). -s tagnumber [ count ] value … Set the value of the named tag to the value or values specified. -sd diroffset Change the current directory by offset. -sf tagnumber filename Set the value of the tag to the contents of filename. This option is supported for ASCI...
The following example sets the image description tag (270) of a.tif to the contents of the file descrip: tiffset -sf 270 descrip a.tif The following example sets the artist tag (315) of a.tif to the string Anonymous: tiffset -s 315 Anonymous a.tif This example sets the resolution of the file a.tif to 300 dpi: tiffset -...
local_tone_map
null
null
null
null
null
automake-1.16
Generate Makefile.in for configure from Makefile.am. Operation modes: --help print this help, then exit --version print version number, then exit -v, --verbose verbosely list files processed --no-force only update Makefile.in's that are out of date -W, --warnings=CATEGORY report the warnings falling in CATEGORY Depende...
automake - manual page for automake 1.16.5
automake-1.16 [OPTION]... [Makefile]...
null
null
ssl_client1
null
null
null
null
null
rtmpsrv
null
null
null
null
null
pip
null
null
null
null
null
2to3-3.10
null
null
null
null
null
redis-check-aof
null
null
null
null
null
xyb_range
null
null
null
null
null
gnutls-certtool
Tool to parse and generate X.509 certificates, requests and private keys. It can be used interactively or non interactively by specifying the template command line option. The tool accepts files or supported URIs via the --infile option. In case PIN is required for URI access you can provide it using the environment v...
certtool - GnuTLS certificate tool
certtool [-flags] [-flag [value]] [--option-name[[=| ]value]] All arguments must be options.
-d num, --debug=num Enable debugging. This option takes an integer number as its argument. The value of num is constrained to being: in the range 0 through 9999 Specifies the debug level. -V, --verbose More verbose output. --infile=file Input file. --outfile=str Output file. --attime=timestamp Perform validation at t...
Generating private keys To create an RSA private key, run: $ certtool --generate-privkey --outfile key.pem --rsa To create a DSA or elliptic curves (ECDSA) private key use the above command combined with 'dsa' or 'ecc' options. Generating certificate requests To create a certificate request (needed when the certificate...
giftogd2
null
null
null
null
null
osql
osql is a diagnostic tool provided as part of FreeTDS. It is a Bourne shell script that checks and reports on your configuration files. If everything checks out OK, it invokes isql. osql works only with the isql that comes with unixODBC.
osql – utility to test FreeTDS connections and queries
osql -S dsn -U username -P password [-I ini_directory]
-S dsn the Data Source Name to which to connect, as known to odbc.ini. -U username database login name. -P password database password. -I ini_dir override odbc.ini file location. EXAMPLE If you have an odbc.ini with a section like this: [myDSN] servername = myserver TDS_Version = 5.0 You would invoke osql as: osql -S ...
null
imagetops
null
null
null
null
null
lto-dump-13
lto-dump is a tool you can use in conjunction with GCC to dump link time optimization object files.
lto-dump - Tool for dumping LTO object files
lto-dump [-list] [-demangle] [-defined-only] [-print-value] [-name-sort] [-size-sort] [-reverse-sort] [-no-sort] [-symbol=] [-objects] [-type-stats] [-tree-stats] [-gimple-stats] [-dump-level=] [-dump-body=] [-help] lto-dump
-list Dumps list of details of functions and variables. -demangle Dump the demangled output. -defined-only Dump only the defined symbols. -print-value Dump initial values of the variables. -name-sort Sort the symbols alphabetically. -size-sort Sort the symbols according to size. -reverse-sort Dump the symbols in revers...
null
wheel3.12
null
null
null
null
null
pango-view
null
null
null
null
null
aomdec
null
null
null
null
null
multinit
null
null
null
null
null
key_ladder_demo.sh
null
null
null
null
null
flutter
null
null
null
null
null
gnice
Run COMMAND with an adjusted niceness, which affects process scheduling. With no COMMAND, print the current niceness. Niceness values range from -20 (most favorable to the process) to 19 (least favorable to the process). Mandatory arguments to long options are mandatory for short options too. -n, --adjustment=N add i...
nice - run a program with modified scheduling priority
nice [OPTION] [COMMAND [ARG]...]
null
null
python-build
null
null
null
null
null
gecho
Echo the STRING(s) to standard output. -n do not output the trailing newline -e enable interpretation of backslash escapes -E disable interpretation of backslash escapes (default) --help display this help and exit --version output version information and exit If -e is in effect, the following sequences are ...
echo - display a line of text
echo [SHORT-OPTION]... [STRING]... echo LONG-OPTION
null
null
perlthanks
This program is designed to help you generate bug reports (and thank- you notes) about perl5 and the modules which ship with it. In most cases, you can just run it interactively from a command line without any special arguments and follow the prompts. If you have found a bug with a non-standard port (one that was not p...
perlbug - how to submit bug reports on Perl
perlbug perlbug [ -v ] [ -a address ] [ -s subject ] [ -b body | -f inputfile ] [ -F outputfile ] [ -r returnaddress ] [ -e editor ] [ -c adminaddress | -C ] [ -S ] [ -t ] [ -d ] [ -h ] [ -T ] perlbug [ -v ] [ -r returnaddress ] [ -ok | -okay | -nok | -nokay ] perlthanks
-a Address to send the report to instead of saving to a file. -b Body of the report. If not included on the command line, or in a file with -f, you will get a chance to edit the report. -C Don't send copy to administrator when sending report by mail. -c Address to send copy of report to when sendin...
null
perror
perror displays the error message for MySQL or operating system error codes. Invoke perror like this: perror [options] errorcode ... perror attempts to be flexible in understanding its arguments. For example, for the ER_WRONG_VALUE_FOR_VAR error, perror understands any of these arguments: 1231, 001231, MY-1231, or MY-0...
perror - display MySQL error message information
perror [options] errorcode ...
null
null
gdu
Summarize device usage of the set of FILEs, recursively for directories. Mandatory arguments to long options are mandatory for short options too. -0, --null end each output line with NUL, not newline -a, --all write counts for all files, not just directories --apparent-size print apparent sizes rather than device usage...
du - estimate file space usage
du [OPTION]... [FILE]... du [OPTION]... --files0-from=F
null
null
futurize
null
null
null
null
null
gb2sum
Print or check BLAKE2b (512-bit) checksums. With no FILE, or when FILE is -, read standard input. Mandatory arguments to long options are mandatory for short options too. -b, --binary read in binary mode -c, --check read checksums from the FILEs and check them -l, --length=BITS digest length in bits; must not exceed th...
b2sum - compute and check BLAKE2 message digest
b2sum [OPTION]... [FILE]...
null
null
env_parallel.sh
null
null
null
null
null
fipstest
null
null
null
null
null
zmqshell.py
null
null
null
null
null
py7zr
null
null
null
null
null
httpx
null
null
null
null
null
ssl_fork_server
null
null
null
null
null
libassuan-config
null
null
null
null
null
pango-list
null
null
null
null
null
vterm-dump
null
null
null
null
null
hb-ot-shape-closure
null
null
null
null
null
exrmanifest
null
null
null
null
null
gtouch
Update the access and modification times of each FILE to the current time. A FILE argument that does not exist is created empty, unless -c or -h is supplied. A FILE argument string of - is handled specially and causes touch to change the times of the file associated with standard output. Mandatory arguments to long opt...
touch - change file timestamps
touch [OPTION]... FILE...
null
null
gpgsm
gpgsm is a tool similar to gpg to provide digital encryption and signing services on X.509 certificates and the CMS protocol. It is mainly used as a backend for S/MIME mail processing. gpgsm includes a full featured certificate management and complies with all rules defined for the German Sphinx project. COMMANDS Com...
gpgsm - CMS encryption and signing tool
gpgsm [--homedir dir] [--options file] [options] command [args]
GPGSM features a bunch of options to control the exact behaviour and to change the default configuration. How to change the configuration These options are used to change the configuration and are usually found in the option file. --options file Reads configuration from file instead of from the default per- user config...
$ gpgsm -er goo@bar.net <plaintext >ciphertext FILES There are a few configuration files to control certain aspects of gpgsm's operation. Unless noted, they are expected in the current home directory (see: [option --homedir]). gpgsm.conf This is the standard configuration file read by gpgsm on startup. It may contain a...
ziptool
ziptool modifies the zip archive zip-archive according to the commands given. Supported options: -c Check zip archive consistency when opening it. -e Error if archive already exists (only useful with -n). -g Guess file name encoding (for stat command). -h Display help. -l length Only read length bytes of ...
ziptool – modify zip archives
ziptool [-ceghnrst] [-l length] [-o offset] zip-archive command [command-args ...] [command [command-args ...] ...]
null
Add a file called teststring.txt to the zip archive testbuffer.zip with data “This is a test.\n” where “\n” is replaced with a newline character: ziptool testbuffer.zip add teststring.txt \"This is a test.\n\" Delete the first file from the zip archive testfile.zip: ziptool testfile.zip delete 0 SEE ALSO zipcmp(1), zip...
hwloc-patch
hwloc-patch loads the difference between two topologies from a XML file (or from the standard input) and applies it to an existing topology, generating a new, modified one. The XML difference may have been computed earlier with hwloc-diff or hwloc-compress-dir. If <output.xml> is given, the new, modified topology is st...
hwloc-patch - Apply a topology difference to an existing XML topology
hwloc-patch [options] [<topology.xml> | refname] [<diff.xml> | -] <output.xml> hwloc-patch [options] [<topology.xml> | refname] [<diff.xml> | -]
-R --reverse Reverse the sense the difference file. --version Report version and exit. -h --help Display help message and exit.
hwloc-patch's operation is best described through several examples. Apply a XML topology difference file to an existing topology: $ hwloc-patch fourmi023.xml diff.xml fourmi023-new.xml Apply a XML topology difference file whole refname field contains the right input topology: $ hwloc-patch refname diff.xml fourmi023-ne...
httpserv
null
null
null
null
null
giffix
A program that attempts to fix broken GIF images. Currently will "fix" images terminated prematurely by filling the rest of the image with the darkest color found in the image. If no GIF file is given, giffix will try to read a GIF file from stdin. The fixed file is dumped to stdout.
giffix - attempt to fix up broken GIFs
giffix [-v] [-h] [gif-file]
-t Verbose mode (show progress). Enables printout of running scan lines. -h Print one line of command line help, similar to Usage above. AUTHOR Gershon Elber. GIFLIB 2 May 2012 GIFFIX(1)
null
zlib_decompress
The zlib_decompress utility decompresses mysqlpump output that was created using ZLIB compression. Note If MySQL was configured with the -DWITH_ZLIB=system option, zlib_decompress is not built. In this case, the system openssl zlib command can be used instead. Invoke zlib_decompress like this: zlib_decompress input_fil...
zlib_decompress - decompress mysqlpump ZLIB-compressed output
zlib_decompress input_file output_file
null
null
gmkfifo
Create named pipes (FIFOs) with the given NAMEs. Mandatory arguments to long options are mandatory for short options too. -m, --mode=MODE set file permission bits to MODE, not a=rw - umask -Z set the SELinux security context to default type --context[=CTX] like -Z, or if CTX is specified then set the SELinux or SMA...
mkfifo - make FIFOs (named pipes)
mkfifo [OPTION]... NAME...
null
null
lzless
xzless is a filter that displays text from compressed files to a terminal. Files supported by xz(1) are decompressed; other files are assumed to be in uncompressed form already. If no files are given, xzless reads from standard input. xzless uses less(1) to present its output. Unlike xzmore, its choice of pager cann...
xzless, lzless - view xz or lzma compressed (text) files
xzless [file...] lzless [file...]
null
null
pk1sign
null
null
null
null
null
query_included_headers
null
null
null
null
null
rsa_genkey
null
null
null
null
null
xsubpp
This compiler is typically run by the makefiles created by ExtUtils::MakeMaker or by Module::Build or other Perl module build tools. xsubpp will compile XS code into C code by embedding the constructs necessary to let C functions manipulate Perl values and creates the glue necessary to let Perl access those functions. ...
xsubpp - compiler to convert Perl XS code into C code
xsubpp [-v] [-except] [-s pattern] [-prototypes] [-noversioncheck] [-nolinenumbers] [-nooptimize] [-typemap typemap] [-output filename]... file.xs
Note that the "XSOPT" MakeMaker option may be used to add these options to any makefiles generated by MakeMaker. -hiertype Retains '::' in type names so that C++ hierarchical types can be mapped. -except Adds exception handling stubs to the C code. -typemap typemap Indicates that a user-supplied typemap should take pre...
null
gpgme-json
null
null
null
null
null
gdf
This manual page documents the GNU version of df. df displays the amount of space available on the file system containing each file name argument. If no file name is given, the space available on all currently mounted file systems is shown. Space is shown in 1K blocks by default, unless the environment variable POSI...
df - report file system space usage
df [OPTION]... [FILE]...
Show information about the file system on which each FILE resides, or all file systems by default. Mandatory arguments to long options are mandatory for short options too. -a, --all include pseudo, duplicate, inaccessible file systems -B, --block-size=SIZE scale sizes by SIZE before printing them; e.g., '-BM' prints si...
null
mysql_client_test
null
null
null
null
null
tidy
Tidy reads HTML, XHTML, and XML files and writes cleaned-up markup. For HTML variants, it detects, reports, and corrects many common coding errors and strives to produce visually equivalent markup that is both conformant to the HTML specifications and that works in most browsers. A common use of Tidy is to convert plai...
tidy - check, correct, and pretty-print HTML(5) files
tidy [options] [file ...] [options] [file ...] ...
Tidy supports two different kinds of options. Purely command-line options, starting with a single dash '-', can only be used on the command-line, not in configuration files. They are listed in the first part of this section. Configuration options, on the other hand, can either be passed on the command line, starting...
null
pydoc3.11
null
null
null
null
null
streamzip
This program will read data from "stdin", compress it into a zip container and, by default, write a streamed zip file to "stdout". No temporary files are created. The zip container written to "stdout" is, by necessity, written in streaming format. Most programs that read Zip files can cope with a streamed zip file, but...
streamzip - create a zip file from stdin
producer | streamzip [opts] | consumer producer | streamzip [opts] -zipfile=output.zip
-zip64 Create a Zip64-compliant zip container. Use this option if the input is greater than 4Gig. Default is disabled. -zipfile=F Write zip container to the filename "F". Use the "Stream" option to force the creation of a streamed zip file. -member-name=M This option is used to name the "file" in the zip container. Def...
Create a zip file bt reading daa from stdin $ echo Lorem ipsum dolor sit | perl ./bin/streamzip >abcd.zip Check the contents of "abcd,zip" with the standard "unzip" utility Archive: abcd.zip Length Date Time Name --------- ---------- ----- ---- 22 2021-01-08 19:45 - --------- ------- 22 1 file Notice how ...
fileinfo
null
null
null
null
null
protoc-gen-upb_minitable
null
null
null
null
null
gjoin
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. -a FILENUM also print unpairable lines from file FILENUM, where FILENUM is 1 or 2, corresponding to FILE1 or FILE...
join - join lines of two files on a common field
join [OPTION]... FILE1 FILE2
null
null
md_hmac_demo
null
null
null
null
null
tiffinfo
tiffinfo displays information about files created according to the Tag Image File Format, Revision 6.0. By default, the contents of each TIFF directory in each file are displayed, with the value of each tag shown symbolically (where sensible).
tiffinfo - print information about TIFF files
tiffinfo [ options ] input.tif …
-c Display the colormap and color/gray response curves, if present. -D In addition to displaying the directory tags, read and decompress all the data in each image (but not display it). -d In addition to displaying the directory tags, print each byte of decompressed data in hexadecimal. -j Display any J...
null
accelerate-launch
null
null
null
null
null
mysqlshow
The mysqlshow client can be used to quickly see which databases exist, their tables, or a table's columns or indexes. mysqlshow provides a command-line interface to several SQL SHOW statements. See Section 13.7.7, “SHOW Statements”. The same information can be obtained by using those statements directly. For example, y...
mysqlshow - display database, table, and column information
mysqlshow [options] [db_name [tbl_name [col_name]]]
null
null
gtest
Exit with the status determined by EXPRESSION. --help display this help and exit --version output version information and exit An omitted EXPRESSION defaults to false. Otherwise, EXPRESSION is true or false and sets exit status. It is one of: ( EXPRESSION ) EXPRESSION is true ! EXPRESSION EXPRESSION is false EXPRESSI...
test - check file types and compare values
test EXPRESSION test [ EXPRESSION ] [ ] [ OPTION
null
null