Section 1 of the manual describes user commands and tools, for example, file manipulation tools, shells, compilers, web browsers, file and image viewers and editors, and so on.

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bppphysamp
Phylogenetic Sampling  
bpppopstats
Population genetics with Bio++  
bppreroot
Sequential rerooting of trees with Bio++  
bppseqgen
Sequence simulation with Bio++  
bppseqman
Bio++ sequence manipulation and in silico molecular biology with Bio++  
bpptreedraw
Phylogenetic tree drawing with Bio++  
bput
axgetput - upload or download files via AX.25 / axspawn Linux login session
bpython-curses
bpython - a fancy {curtsies, curses, urwid} interface to the Python interactive interpreter
bpython-urwid
bpython - a fancy {curtsies, curses, urwid} interface to the Python interactive interpreter
bpython
a fancy {curtsies, curses, urwid} interface to the Python interactive interpreter
bpython3-curses
bpython - a fancy {curtsies, curses, urwid} interface to the Python interactive interpreter
bpython3-urwid
bpython - a fancy {curtsies, curses, urwid} interface to the Python interactive interpreter
bpython3
bpython - a fancy {curtsies, curses, urwid} interface to the Python interactive interpreter
bpytop
BPYTOP - Resource monitor that shows usage and stats
br
utility to interact with Firecracker device
braa
Mass SNMP scanner
brag
Grab multipart binaries from news server  
braillefont
Print text using unicode braille characters
braillegraph
a simple histogram tool that produces text output
brailleutils
brailleUtils - convert and emboss PEF documents
branch
handle a family of fields (rheolef-7.2)
brancid
rancid - Cisco configuration filter
brandy
a portable BBC BASIC VI interpreter  
brasero
Simple and easy to use CD/DVD burning application for the Gnome Desktop
break
This manual page is part of the POSIX Programmer's Manual. The Linux implementation of this interface may differ (consult the corresponding Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux
break_filelist
sloccount - count source lines of code (SLOC)
breathe-apidoc
extract API documentation from Doxygen
brebis
check your backup for corruption or unexpected content
brec
bplay, brec - buffered sound recording/playing
bref3
Bref - Tool for compressing diploid reference VCF files for the Beagle program.  
bregex
Bareos's 'regex' engine
brewtarget
Helps you brew beer
brfs
Inline javascript fs.readFileSync() call
brightd
a brightness control daemon
brightnessctl
read and control device brightness  
brighton
bristol - a synthesiser emulation package
bristol
a synthesiser emulation package
bristolengine
bristol - a synthesiser emulation package
bristoljackstats
ancillary program for bristol
brlogin
clogin - Cisco login script
brltty
refreshable braille display driver for Linux/Unix
bro-cut
parse bro logs
bro-pkg
broadwayd
Broadway display server
brotli
brotli, unbrotli - compress or decompress files
browser-insert-module-globals
browser-insert-module-global — browserify tools to insert global module list
browser-pack
pack Node.js source file information for browserify uses
browser-unpack
parse a bundle generated by browser-pack
browserify-lite
bundle javascript file
browserify
browserify Node.js sources
browserslist
The config to share target browsers and Node.js versions
brushtopbm
convert a doodle brush file into a PBM image  
brutefir
program included in the DeMuDi distribution
bruteforce-luks
try to find the password of a LUKS volume
bruteforce-salted-openssl
try to find the passphrase for files encrypted with OpenSSL
bruteforce-wallet
try to find the password of an encrypted wallet file
brz
Breezy next-generation distributed version control
bs11_config
Configuration of BS-11 BTS via RS232
bs1770gain
loudness scanner and normalizer based on ITU-R BS.1770
bsd-csh
csh — a shell (command interpreter) with C-like syntax
bsd-mailx
mail , mailx , Mail — send and receive mail
bsdcat
expand files to standard output
bsdcpio
cpio — copy files to and from archives
bsdiff
generate a patch between two binary files
bsdl2jtag
jtag - bsdl2jtag
bsdtar
tar — manipulate tape archives
bsetbg
utility to manipulate the appearance of the X11 desktop's root window
bsetroot
blackbox utility to change root window appearance
bsfilter
bayesian spam filter
bsh
BeanShell: A Java scripting environment (command-line version)
bshell
bssh/bvnc/bshell - Browse for SSH/VNC servers on the local network
bskk
Bayesian estimation for SKK
bsmtp
Bacula's SMTP client (mail submission program)  
bspatch
apply a patch built with bsdiff(1)
bspc
bspwm - Binary space partitioning window manager
bspwm
Binary space partitioning window manager
bsqldb
batch SQL script processor using DB-Library
bsqlodbc
batch SQL script processor using ODBC
bssh
bssh/bvnc/bshell - Browse for SSH/VNC servers on the local network
bst-build
Build elements in a pipeline
bst-checkout
Checkout a built artifact
bst-fetch
Fetch sources in a pipeline
bst-help
Print usage information
bst-init
Initialize a new BuildStream project
bst-pull
Pull a built artifact
bst-push
Push a built artifact
bst-shell
Shell into an element's sandbox environment
bst-show
Show elements in the pipeline
bst-source-bundle
Produce a build bundle to be manually executed
bst-track
Track new source references
bst-workspace-close
Close workspaces
bst-workspace-list
List open workspaces
bst-workspace-open
Open a new workspace
bst-workspace-reset
Reset a workspace to its original state
bst-workspace
Manipulate developer workspaces
bst
Build and manipulate BuildStream projects..
bstyleconvert
a Blackbox style conversion utility
bsvplay
convert BASICA music data to PCM
bt-adapter
a bluetooth adapter manager
bt-agent
bt-adapter - a bluetooth agent