explain error codes NAME perror - explain error codes SYNOPSIS perror [ options ] errorcode ... DESCRIPTION For most system errors, MariaDB displays, in addition to an internal tex…display manual pages NAME man — display manual pages SYNOPSIS man [ -acfhklw ] [ -C file ] [ -M path ] [ -m path ] [ -S subsection ] [[ -s ] section ] name ... DESCRIPTION The man …pattern scanning and processing language NAME gawk - pattern scanning and processing language SYNOPSIS gawk [ POSIX or GNU style options ] -f program-file [ -- ] file ... gawk [ PO…pattern scanning and processing language NAME gawk - pattern scanning and processing language SYNOPSIS gawk [ POSIX or GNU style options ] -f program-file [ -- ] file ... gawk [ PO…pattern scanning and processing language NAME gawk - pattern scanning and processing language SYNOPSIS gawk [ POSIX or GNU style options ] -f program-file [ -- ] file ... gawk [ PO…format manual pages NAME mandoc — format manual pages SYNOPSIS mandoc [ -ac ] [ -I os = name ] [ -K encoding ] [ -mdoc | -man ] [ -O options ] [ -T output ] [ -W level ] [ file ...…initialize a terminal, exercise its capabilities, or query terminfo database NAME tput - initialize a terminal, exercise its capabilities, or query terminfo database SYNOPSIS tput …convert .h C header files to Perl extensions NAME h2xs - convert .h C header files to Perl extensions SYNOPSIS h2xs [ OPTIONS ...] [headerfile ... [extra_libraries]] h2xs -h | -? |…convert .h C header files to .ph Perl header files NAME h2ph - convert .h C header files to .ph Perl header files SYNOPSIS h2ph [-d destination directory] [-r | -a] [-l] [-h] [-e] …Count unpacked number of objects and their disk consumption NAME git-count-objects - Count unpacked number of objects and their disk consumption SYNOPSIS git count-objects [-v] [-H…strip directory and suffix from filenames NAME basename - strip directory and suffix from filenames SYNOPSIS basename NAME [ SUFFIX ] basename OPTION ... NAME ... DESCRIPTION Print…Reads tree information into the index NAME git-read-tree - Reads tree information into the index SYNOPSIS git read-tree [(-m [--trivial] [--aggressive] | --reset | --prefix=<prefix…begin session on the system NAME login - begin session on the system SYNOPSIS login [ -p ] [ -h host ] [ -H ] [ -f username | username ] DESCRIPTION login is used when signing onto…program that diffs an extracted archive against an unextracted one NAME ptardiff - program that diffs an extracted archive against an unextracted one DESCRIPTION ptardiff is a smal…check the connection status of a PostgreSQL server NAME pg_isready - check the connection status of a PostgreSQL server SYNOPSIS pg_isready [ connection-option ...] [ option ...] D…a tar-like program written in perl NAME ptar - a tar-like program written in perl DESCRIPTION ptar is a small, tar look-alike program that uses the perl module Archive::Tar to extr…print or set the system date and time NAME date - print or set the system date and time SYNOPSIS date [ OPTION ]... [ +FORMAT ] date [ -u|--utc|--universal ] [ MMDDhhmm [[ CC ] YY …Print lines matching a pattern NAME git-grep - Print lines matching a pattern SYNOPSIS git grep [-a | --text] [-I] [--textconv] [-i | --ignore-case] [-w | --word-regexp] [-v | --in…OpenSSH secure file transfer NAME sftp — OpenSSH secure file transfer SYNOPSIS sftp [ -46AaCfNpqrv ] [ -B buffer_size ] [ -b batchfile ] [ -c cipher ] [ -D sftp_server_command ] [ …configure libnet NAME libnetcfg - configure libnet DESCRIPTION The libnetcfg utility can be used to configure the libnet. Starting from perl 5.8 libnet is part of the standard Perl…