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…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…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…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…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…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 [ …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 …run program in new namespaces NAME unshare - run program in new namespaces SYNOPSIS unshare [options] [ program [ arguments ]] DESCRIPTION The unshare command creates new namespace…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…Control the systemd system and service manager NAME systemctl - Control the systemd system and service manager SYNOPSIS systemctl [OPTIONS...] COMMAND [UNIT...] DESCRIPTION systemc…preallocate or deallocate space to a file NAME fallocate - preallocate or deallocate space to a file SYNOPSIS fallocate [ -c | -p | -z ] [ -o offset ] -l length [ -n ] filename fal…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…profile memory usage of a program NAME memusage - profile memory usage of a program SYNOPSIS memusage [ option ]... program [ programoption ]... DESCRIPTION memusage is a bash scri…The Perl 5 language interpreter NAME perl - The Perl 5 language interpreter SYNOPSIS perl [ -sTtuUWX ] [ -hv ] [ -V [: configvar ] ] [ -cw ] [ -d [ t ][: debugger ] ] [ -D [ number…The Perl 5 language interpreter NAME perl - The Perl 5 language interpreter SYNOPSIS perl [ -sTtuUWX ] [ -hv ] [ -V [: configvar ] ] [ -cw ] [ -d [ t ][: debugger ] ] [ -D [ number…The Perl 5 language interpreter NAME perl - The Perl 5 language interpreter SYNOPSIS perl [ -sTtuUWX ] [ -hv ] [ -V [: configvar ] ] [ -cw ] [ -d [ t ][: debugger ] ] [ -D [ number…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…reconstruct a full backup from an incremental backup and dependent backups NAME pg_combinebackup - reconstruct a full backup from an incremental backup and dependent backups SYNOPS…