SysTutorials Posts

NAME objcopy – copy and translate object files SYNOPSIS objcopy [-F bfdname|–target=bfdname]   [-I bfdname|–input-target=bfdname]   [-O bfdname|–output-target=bfdname]   [-B bfdarch|–binary-architecture=bfdarch]   [-S|–strip-all]   [-g|–strip-debug]   [-K symbolname|–keep-symbol=symbolname]   [-N symbolname|–strip-symbol=symbolname]   [–strip-unneeded-symbol=symbolname]   [-G symbolname|–keep-global-symbol=symbolname]   [–localize-hidden]   [-L symbolname|–localize-symbol=symbolname]   [–globalize-symbol=symbolname]   [-W symbolname|–weaken-symbol=symbolname]   [-w|–wildcard]   [-x|–discard-all]   [-X|–discard-locals]   [-b byte|–byte=byte]   [-i [breadth]|–interleave[=breadth]]   [–interleave-width=width]   [-j sectionpattern|–only-section=sectionpattern]   [-R sectionpattern|–remove-section=sectionpattern]   [-p|–preserve-dates]   [-D|–enable-deterministic-archives]   [-U|–disable-deterministic-archives]   [–debugging]   [–gap-fill=val]   [–pad-to=address]   [–set-start=val]   [–adjust-start=incr]   [–change-addresses=incr]   [–change-section-address sectionpattern{=,+,-}val]   [–change-section-lma sectionpattern{=,+,-}val]   [–change-section-vma sectionpattern{=,+,-}val]   [–change-warnings] [–no-change-warnings]   [–set-section-flags sectionpattern=flags]   [–add-section sectionname=filename]   [–dump-section sectionname=filename]   [–update-section sectionname=filename]   [–rename-section oldname=newname[,flags]]   [–long-section-names {enable,disable,keep}]   [–change-leading-char] [–remove-leading-char]   [–reverse-bytes=num]   [–srec-len=ival] [–srec-forceS3]…

NAME nm – list symbols from object files SYNOPSIS nm [-A|-o|–print-file-name] [-a|–debug-syms] [-B|–format=bsd] [-C|–demangle[=style]] [-D|–dynamic] [-fformat|–format=format] [-g|–extern-only] [-h|–help] [-l|–line-numbers] [-n|-v|–numeric-sort] [-P|–portability] [-p|–no-sort] [-r|–reverse-sort] [-S|–print-size] [-s|–print-armap] [-t radix|–radix=radix] [-u|–undefined-only] [-V|–version] [-X 32_64] [–defined-only] [–no-demangle] [–plugin name] [–size-sort] [–special-syms] [–synthetic] [–target=bfdname] [objfile…] DESCRIPTION GNU nm lists the symbols from object files objfile…. If no object files are listed as arguments, nm assumes the file a.out. For each symbol, nm shows: • The…

NAME nlmconv – converts object code into an NLM. SYNOPSIS nlmconv [-I bfdname|–input-target=bfdname]   [-O bfdname|–output-target=bfdname]   [-T headerfile|–header-file=headerfile]   [-d|–debug] [-l linker|–linker=linker]   [-h|–help] [-V|–version]   infile outfile DESCRIPTION nlmconv converts the relocatable i386 object file infile into the NetWare Loadable Module outfile, optionally reading headerfile for NLM header information. For instructions on writing the NLM command file language used in header files, see the…

NAME ld – The GNU linker SYNOPSIS ld [options] objfile … DESCRIPTION ld combines a number of object and archive files, relocates their data and ties up symbol references. Usually the last step in compiling a program is to run ld. ld accepts Linker Command Language files written in a superset of AT&T‘s Link Editor…

NAME gprof – display call graph profile data SYNOPSIS gprof [ -[abcDhilLrsTvwxyz] ] [ -[ACeEfFJnNOpPqQZ][name] ]  [ -I dirs ] [ -d[num] ] [ -k from/to ]  [ -m min-count ] [ -R map_file ] [ -t table-length ]  [ –[no-]annotated-source[=name] ]  [ –[no-]exec-counts[=name] ]  [ –[no-]flat-profile[=name] ] [ –[no-]graph[=name] ]  [ –[no-]time=name] [ –all-lines ] [ –brief ]  [ –debug[=level] ] [ –function-ordering ]  [ –file-ordering map_file ] [ –directory-path=dirs ]  [ –display-unused-functions ] [ –file-format=name ]  [ –file-info ] [ –help ] [ –line ] [ –inline-file-names ]  [ –min-count=n ] [ –no-static ] [ –print-path ]  [ –separate-files ] [ –static-call-graph ] [ –sum ]  [ –table-length=len ] [ –traditional ] [ –version ]  [ –width=n ] [ –ignore-non-functions ]  [ –demangle[=STYLE] ] [ –no-demangle ]  [–external-symbol-table=name]  [ image-file ] [ profile-file … ] DESCRIPTION "gprof" produces an execution profile of C, Pascal, or Fortran77 programs. The effect of called routines is incorporated in the profile…

NAME gcov – coverage testing tool SYNOPSIS gcov [-v|–version] [-h|–help]   [-a|–all-blocks]   [-b|–branch-probabilities]   [-c|–branch-counts]   [-u|–unconditional-branches]   [-n|–no-output]   [-l|–long-file-names]   [-p|–preserve-paths]   [-r|–relative-only]   [-f|–function-summaries]   [-o|–object-directory directory|file]   [-s|–source-prefix directory]   [-d|–display-progress]   files DESCRIPTION gcov is a test coverage program. Use it in concert with GCC to analyze your programs to help create more efficient, faster running code and to discover untested parts of your…

NAME gcc – GNU project C and C++ compiler SYNOPSIS gcc [-c|-S|-E] [-std=standard]  [-g] [-pg] [-Olevel]  [-Wwarn…] [-Wpedantic]  [-Idir…] [-Ldir…]  [-Dmacro[=defn]…] [-Umacro]  [-foption…] [-mmachine-option…]  [-o outfile] [@file] infile… Only the most useful options are listed here; see below for the remainder. g++ accepts mostly the same options as gcc. DESCRIPTION When you invoke GCC, it normally does preprocessing, compilation, assembly and linking. The “overall…

NAME elfedit – Update the ELF header of ELF files. SYNOPSIS elfedit [–input-mach=machine]   [–input-type=type]   [–input-osabi=osabi]   –output-mach=machine   –output-type=type   –output-osabi=osabi   [-v|–version]   [-h|–help]   elffile… DESCRIPTION elfedit updates the ELF header of ELF files which have the matching ELF machine and file types. The options control how and which fields in the ELF header should be updated. elffile… are…

NAME dlltool – Create files needed to build and use DLLs. SYNOPSIS dlltool [-d|–input-def def-file-name]   [-b|–base-file base-file-name]   [-e|–output-exp exports-file-name]   [-z|–output-def def-file-name]   [-l|–output-lib library-file-name]   [-y|–output-delaylib library-file-name]   [–export-all-symbols] [–no-export-all-symbols]   [–exclude-symbols list]   [–no-default-excludes]   [-S|–as path-to-assembler] [-f|–as-flags options]   [-D|–dllname name] [-m|–machine machine]   [-a|–add-indirect]   [-U|–add-underscore] [–add-stdcall-underscore]   [-k|–kill-at] [-A|–add-stdcall-alias]   [-p|–ext-prefix-alias prefix]   [-x|–no-idata4] [-c|–no-idata5]   [–use-nul-prefixed-import-tables]   [-I|–identify library-file-name] [–identify-strict]   [-i|–interwork]   [-n|–nodelete] [-t|–temp-prefix prefix]   [-v|–verbose]   [-h|–help] [-V|–version]   [–no-leading-underscore] [–leading-underscore]   [object-file …] DESCRIPTION dlltool reads its inputs, which can come from the -d and -b options as well…

NAME cpp – The C Preprocessor SYNOPSIS cpp [-Dmacro[=defn]…] [-Umacro]  [-Idir…] [-iquotedir…]  [-Wwarn…]  [-M|-MM] [-MG] [-MF filename]  [-MP] [-MQ target…]  [-MT target…]  [-P] [-fno-working-directory]  [-x language] [-std=standard]  infile outfile Only the most useful options are listed here; see below for the remainder. DESCRIPTION The C preprocessor, often known as cpp, is a macro processor that is used automatically by the C compiler to transform your program…

c++filt – Demangle C++ and Java symbols. Synopsisc++filt [-_|–strip-underscore]   [-n|–no-strip-underscore]   [-p|–no-params]   [-t|–types]   [-i|–no-verbose]   [-s format|–format=format]   [–help]  [–version]  [symbol…] DescriptionThe C++ and Java languages provide function overloading, which means that you can write many functions with the same name, providing that each function takes parameters of different types. In order to be able to distinguish these similarly named functions…

NAME AS – the portable GNU assembler. SYNOPSIS as [-a[cdghlns][=file]] [–alternate] [-D]  [–compress-debug-sections]  [–nocompress-debug-sections]  [–debug-prefix-map old=new]  [–defsym sym=val] [-f] [-g] [–gstabs]  [–gstabs+] [–gdwarf-2] [–gdwarf-sections]  [–help] [-I dir] [-J]  [-K] [-L] [–listing-lhs-width=NUM]  [–listing-lhs-width2=NUM] [–listing-rhs-width=NUM]  [–listing-cont-lines=NUM] [–keep-locals]  [-o objfile] [-R]  [–hash-size=NUM] [–reduce-memory-overheads]  [–statistics]  [-v] [-version] [–version]  [-W] [–warn] [–fatal-warnings] [-w] [-x]  [-Z] [@FILE]  [–sectname-subst] [–size-check=[error|warning]]  [–target-help] [target-options]  [—|files …] Target AArch64 options: [-EB|-EL] [-mabi=ABI] Target Alpha options: [-mcpu] [-mdebug | -no-mdebug] [-replace | -noreplace] [-relax] [-g] [-Gsize] [-F] [-32addr] Target ARC options: [-mcpu=cpu] [-mA6|-mARC600|-mARC601|-mA7|-mARC700|-mEM|-mHS] [-mcode-density] [-EB|-EL] Target ARM options: [-mcpu=processor[+extension…]] [-march=architecture[+extension…]] [-mfpu=floating-point-format]…

NAME ar – create, modify, and extract from archives SYNOPSIS ar [-X32_64] [–]p[mod] [–plugin name] [–target bfdname] [relpos] [count] archive [member…] DESCRIPTION The GNU ar program creates, modifies, and extracts from archives. An archive is a single file holding a collection of other files in a structure that makes it possible to retrieve the original…

NAME addr2line – convert addresses into file names and line numbers. SYNOPSIS addr2line [-a|–addresses]     [-b bfdname|–target=bfdname]     [-C|–demangle[=style]]     [-e filename|–exe=filename]     [-f|–functions] [-s|–basename]     [-i|–inlines]     [-p|–pretty-print]     [-j|–section=name]     [-H|–help] [-V|–version]     [addr addr …] DESCRIPTION addr2line translates addresses into file names and line numbers. Given an address in an executable or an offset in a section of a relocatable object, it uses the debugging…

NAME crontab – maintain crontab files for individual users (Vixie Cron) SYNOPSIS crontab [ -u user ] file crontab [ -u user ] [ -i ] { -e | -l | -r } DESCRIPTION crontab is the program used to install, deinstall or list the tables used to drive the cron(8) daemon in Vixie Cron….

NAME crmgr – administration utility for QDBM Curia SYNOPSIS crmgr create [-s] [-bnum num ] [-dnum num] name crmgr put [-kx|-ki] [-vx|-vi|-vf] [-keep|-cat] [-lob] [-na] name key val crmgr out [-kx|-ki] [-lob] name key crmgr get [-nl] [-kx|-ki] [-start num] [-max num] [-ox] [-lob] [-n] name key crmgr list [-nl] [-k|-v] [-ox] name crmgr optimize…

NAME crlutil – List, generate, modify, or delete CRLs within the NSS security database file(s) and list, create, modify or delete certificates entries in a particular CRL. SYNOPSIS crlutil [options] [[arguments]] STATUS This documentation is still work in progress. Please contribute to the initial review in m[blue]Mozilla NSS bug 836477m[][1] DESCRIPTION The Certificate Revocation List…

NAME crlupdate – Mono Certficate Revocation List Downloader and Updater SYNOPSIS crlupdate [-m] [-v] [-f] DESCRIPTION This tool allows the download of new, or update of existing, Certficate Revocation List (CRL) associated with the certificates present in the user (default) or machine stores. The CRL present in the stores are used to determine the validity…

NAME createuser – define a new PostgreSQL user account SYNOPSIS createuser [connection-option…] [option…] [username] DESCRIPTION createuser creates a new PostgreSQL user (or more precisely, a role). Only superusers and users with CREATEROLE privilege can create new users, so createuser must be invoked by someone who can connect as a superuser or a user with CREATEROLE…

NAME createlang – install a PostgreSQL procedural language SYNOPSIS createlang [connection-option…] langname [dbname] createlang [connection-option…] –list | -l [dbname] DESCRIPTION createlang is a utility for adding a procedural language to a PostgreSQL database. createlang is just a wrapper around the CREATE EXTENSION (CREATE_EXTENSION(7)) SQL command. Caution createlang is deprecated and may be removed in a…