report file system space usage NAME df - report file system space usage SYNOPSIS df [ OPTION ]... [ FILE ]... DESCRIPTION This manual page documents the GNU version of df . df disp…convert and copy a file NAME dd - convert and copy a file SYNOPSIS dd [ OPERAND ]... dd OPTION DESCRIPTION Copy a file, converting and formatting according to the operands. bs=BYTE…see if a directory or file is a mountpoint NAME mountpoint - see if a directory or file is a mountpoint SYNOPSIS mountpoint [ -d | -q ] directory | file mountpoint -x device DESCRI…list the ranges of available memory with their online status NAME lsmem - list the ranges of available memory with their online status SYNOPSIS lsmem [options] DESCRIPTION The lsme…a fast, versatile, remote (and local) file-copying tool NAME rsync - a fast, versatile, remote (and local) file-copying tool SYNOPSIS Local: rsync [OPTION...] SRC... [DEST] Access …estimate file space usage NAME du - estimate file space usage SYNOPSIS du [ OPTION ]... [ FILE ]... du [ OPTION ]... --files0-from=F DESCRIPTION Summarize device usage of the set o…an archiving utility NAME tar - an archiving utility SYNOPSIS Traditional usage tar { A | c | d | r | t | u | x }[ GnSkUWOmpsMBiajJzZhPlRvwo ] [ ARG ...] UNIX-style usage tar -A [ …display file or file system status NAME stat - display file or file system status SYNOPSIS stat [ OPTION ]... FILE ... DESCRIPTION Display file or file system status. Mandatory arg…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 ...…search for files in a directory hierarchy NAME find - search for files in a directory hierarchy SYNOPSIS find [-H] [-L] [-P] [-D debugopts] [-Olevel] [starting-point...] [expressio…Display the performance data in plain text format NAME gprofng-display-text - Display the performance data in plain text format SYNOPSIS gprofng display text [ option(s) ] [ comman…Makes a friendly report of important MySQL status values NAME mysqlreport - Makes a friendly report of important MySQL status values SYNTAX mysqlreport [ options ] DESCRIPTION mysq…Makes a friendly report of important MySQL status values NAME mysqlreport - Makes a friendly report of important MySQL status values SYNTAX mysqlreport [ options ] DESCRIPTION mysq…Control the systemd system and service manager NAME systemctl - Control the systemd system and service manager SYNOPSIS systemctl [OPTIONS...] COMMAND [UNIT...] DESCRIPTION systemc…PostgreSQL interactive terminal NAME psql - PostgreSQL interactive terminal SYNOPSIS psql [ option ...] [ dbname [ username ]] DESCRIPTION psql is a terminal-based front-end to Pos…transfer a URL NAME curl - transfer a URL SYNOPSIS curl [options / URLs] DESCRIPTION curl is a tool for transferring data from or to a server using URLs. It supports these protocol…Name tbl - prepare tables for groff documents Synopsis tbl [ -C ] [ file ...] tbl --help tbl -v tbl --version Description The GNU implementation of tbl is part of the groff (1) doc…Name tbl - prepare tables for groff documents Synopsis tbl [ -C ] [ file ...] tbl --help tbl -v tbl --version Description The GNU implementation of tbl is part of the groff (1) doc…wrapper for PostgreSQL client commands NAME pg_wrapper - wrapper for PostgreSQL client commands SYNOPSIS client-program [ --cluster version / cluster ] [...] ( client-program : psq…Compare a tree to the working tree or index NAME git-diff-index - Compare a tree to the working tree or index SYNOPSIS git diff-index [-m] [--cached] [--merge-base] [<common-diff-o…