minimal /\rch Linux installation starting right now
installation
configuration

installation

• step 0: Make bootable USB and Boot live environment
• step 1: Partition, Format, Mount and genfstab for your drive
• step 2: connect internet
• step 3: install Arch Linux
• step 4: install Bootloader and enable Microcode updates
• step 5: finish the installation

.Make bootable USB and Boot live environment

• goto official download page to download iso_file
• check file SHA256

        sha256sum /directory/archlinux.iso

• use either GUI-Utility like rufus and etcher or use dd to write your image_file to your USB-Flash-Drive

        dd if=/directory/archlinux.iso of=/dev/usb_flash_drive_file_name status=progress

• boot your built Bootable-USB then select *Arch Linux install medium (x86_64, UEFI)

.Partition, Format, Mount and genfstab for your drive

• create new partition for drive
  • use lsblk to know your Drive-Name first, then
  • use cfdisk TUI-Partition-Editor to open your Drive, then select GPT
  • then create Partition on your Drive as suggested as table below

Partition	Mount on	Size	Purpose
/dev/your_drive_name1	/boot	256M minium	for Kernel, Bootloader, EFI and Firmware
/dev/your_deive_name2	[SWAP]	512M minium	for Swaping
/dev/your_drive_name3	/	rest of drive	for whole /\rch base

---

note: you can make [SWAP] partition as twice bigger as your Total-System-Memory-Size
use grep MemTotal /proc/meminfo to check your Total-System-Memory-Size
note: if you have Multiple-Fast-Drives, then create multiple smaller [SWAP] partitions on Multiple-Fast-Drives instead of using one giant [SWAP] partition on Single-Drive

---

• format partions

        mkfs.fat -F 32 /dev/your_drive_name1
        mkswap /dev/your_drive_name2
        mkfs.ext4 /dev/your_drive_name3

• mount partitions

        mount /dev/your_drive_name3 /mnt
        mount --mkdir /dev/your_drive_name1 /mnt/boot
        swapon /dev/your_drive_name2

---

note: the Order to mount your Partitions or Drives must obay the Hierarchy of File-System.
mount / Root-Partition to /mnt first, then mount Sub-Partition next, and so on

---

• generate fstab ( File System TABle ) file

        mkdir /mnt/etc
        genfstab -U /mnt > /mnt/etc/fstab

.connect internet

--Just-Wire-In-->

.install Arch Linux

• install essential packages

        pacstrap -K /mnt base linux linux-firmware sof-firmware amd-ucode networkmanager

---

base is minimal Arch Base
linux is kernel. Arch Base + Linux kernel = Arch Linux
you can omit linux-firmware if you install Arch Linux on VirtualBox
sof-firmware for some newer laptops to get Working-Audio, it's optional for minimal system to run
amd-ucode provides AMD microcode. instead use intel-ucode if you use intel chip
you can omit networkmanager if you only use systemd [ o < ] to configure network
by this step, you can install other packages such as dust, btop, vim, tmux, calc, gcc, cmatrix, fastfetch, wget, rtorrent, elinks, cmus and whatever you need

---

.install Bootloader and enable Microcode updates

• write your Boot-Entry-File for Boot-Loader

        mkdir -P /mnt/boot/loader/entries
        vim /mnt/boot/loader/entries/arch.conf

example minimal Entry-File contents:

linux /vmlinuz-linux
initrd /amd-ucode.img
initrd /initramfs-linux.img
options root=UUID=XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX rw

linux takes path to kernel; path is NOT /boot/... because we previously created partition for /boot
initrd initial ram disk; you need to load amd-ucode.img xor intel-ucode.img to RAM first before load initial-ram-file-system image
options takes Kernel-Parameters; replace UUID=XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX to your own / Root-Partition-UUID;
which you can find it in previously generated fstab file, or you can run findmnt -o UUID -n / to show it

• write your Systemd-Boot Config-File

        vim /mnt/boot/loader/loader.conf

example minimal Systemd-Boot Config-File contents:

default arch.conf
editor no

this set Default-Entry-File to previously wrote arch.conf, and no Boot-Entry-Editor.
you can write more Entry-Files with more Kernels than just one

• install Systemd-Boot-Loader

        arch-chroot /mnt
        bootctl install

.finish the installation

• set Root-Password

        passwd

• reboot

        exit
        reboot

congratulation, minimal /\rch Linux is successfully installed.
you can login as root and configure your brand new /\rch Linux now

configuration

• user setup
• network
• PACkage MANager
• improve Booting performance
• improve Storage performance
• improve Memory performance
• improve CPU performance
• language and timezone
• make linux console more awesome and cooler
• other packages

.user setup

• set hostname

        echo 'your_new_hostname' > /etc/hostname

• create Unpriviliged-User

        useradd -m your_user_name
        passwd user_name

remove all .bash* for this Unprivileged-User then switch to Unpriviliged-User and create .config directory

        rm -f /home/your_user_name/.bash*
        su -c "mkdir /home/your_user_name/.config" your_user_name

then symbolically link Unpriviliged-User's .config to root's one

        ln -s /home/your_user_name/.config /root/.config

xor you can Remove entire /root directory and Link entire /home/your_user_name to /root

        rm -fr /root
        ln -s /home/your_user_name /root

.network

• Auto-Start network manager

        systemctl enable NetworkManager
        systemctl restart NetworkManager
        nmtui

---

note: the Connection-Config-File generated by nmtui is placed at /etc/NetworkManager/system-connections

---

• generate hblock Hosts-File

        pacman -Syu hblock
        hblock

---

note: you can update /etc/hosts file by run hblock again

---

• improve network Performance and Security

net.core.netdev_max_backlog=16384
net.core.somaxconn=8192
net.core.default_qdisc=cake
net.core.rmem_default=16777216
net.core.rmem_max=33554432
net.core.wmem_default=16777216
net.core.wmem_max=33554432
net.core.optmem_max=65536
net.ipv4.ip_local_port_range=30000 65535
net.ipv4.udp_rmem_min=8192
net.ipv4.udp_wmem_min=8192
net.ipv4.tcp_rmem=8192 262144 536870912
net.ipv4.tcp_wmem=8192 262144 536870912
net.ipv4.tcp_fastopen=3
net.ipv4.tcp_max_syn_backlog=8192
net.ipv4.tcp_max_tw_buckets=2000000
net.ipv4.tcp_tw_reuse=1
net.ipv4.tcp_fin_timeout=10
net.ipv4.tcp_slow_start_after_idle=0
net.ipv4.tcp_keepalive_time=60
net.ipv4.tcp_keepalive_intvl=10
net.ipv4.tcp_keepalive_probes=6
net.ipv4.tcp_mtu_probing=1
net.ipv4.tcp_sack=1
net.ipv4.tcp_congestion_control=bbr
net.ipv4.tcp_syncookies=1
net.ipv4.conf.default.rp_filter=1
net.ipv4.conf.all.rp_filter=1
net.ipv4.conf.all.accept_redirects=0
net.ipv4.conf.all.send_redirects=0
net.ipv4.conf.default.accept_redirects=0
net.ipv4.conf.default.send_redirects=0
net.ipv4.conf.all.secure_redirects=0
net.ipv4.conf.default.secure_redirects=0
net.ipv4.icmp_echo_ignore_all=1

add Above-Contents to your /etc/sysctl.d/99-sysctl.conf file; then

        sysctl -p /etc/sysctl.d/99-sysctl.conf

.PACkage MANager

edit /etc/pacman.conf file:
uncomment ParrallelDownloads = 5 and change the number as you wish
add ILoveCandy
add below pacman() alias to your /etc/bash.bashrc file:

pacman() {
  case $1 in
    upgrade)
      shift 1; command pacman --color=always -Syu $@
      ;;
    install)
      shift 1; command pacman --color=always -S $@
      ;;
    remove)
      shift 1; command pacman --color=always -Runs $@
      ;;
    autoremove)
      orph="$(command pacman -Qdtq)"
      if [[ -n $2 ]] || [[ -n $orph ]]; then
        shift 1; command pacman --color=always -Runs $@ $orph
      else echo '0 package removed'; fi
      ;;
    clean)
      shift 1; command pacman --color=always -Scc $@
      ;;
    search)
      if [[ $2 == group ]]; then
        shift 2; command pacman --color=always -Sgg $@
      else shift 1; command pacman --color=always -Ss $@; fi
      ;;
    info)
      shift 1; command pacman --color=always -Sii $@
      ;;
    list)
      case $2 in
        installed)
          shift 2; command pacman --color=always -Qet $@
          ;;
        available)
          shift 2; command pacman --color=always -Qs $@
          ;;
        orphan)
          shift 2; command pacman --color=always -Qdt $@
          ;;
        group)
          shift 2; command pacman --color=always -Qg $@
          ;;
        *)
          shift 1; command pacman --color=always -Q $@
          ;;
      esac
      ;;
    *)
      command pacman --color=always $@
      ;;
  esac
}

---

note: by above pacman() alias, you can do Additional-Commands as below

INSTALL_PACKAGE:
        pacman upgrade
        pacman install package_name
REMOVE_PACKAGE:
        pacman remove package_name
        pacman autoremove
        pacman clean
QUERY_PACKAGE:
        pacman search keywords
        pacman search group group_name
        pacman info package_name
        pacman list
        pacman list installed
        pacman list available
        pacman list group
        pacman list orphan

---

improve Booting performance

open /boot/loader/loader.conf file
add Kernel-Parameters quiet and loglevel=0 to options

options root=UUID=XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX rw quiet loglevel=0

you can manually update systemd-boot by run command bootctl update or you can enable systemd-boot-update service for auto updates

        systemctl enable systemd-boot-update

.improve Storage performance

• trim for SSD

        systemctl enable fstrim.timer

• abandon Core-Dump

kernel.core_pattern=/dev/null

add above contents to your /etc/sysctl.d/99-sysctl.conf file; then

        sysctl -p /etc/sysctl.d/99-sysctl.conf

.improve Memory performance

• improve Virtual-Memory performance

vm.dirty_background_ratio=16
vm.dirty_ratio=32
vm.vfs_cache_pressure=32

add Above-Contents to your /etc/sysctl.d/99-sysctl.conf file; then

        sysctl -p /etc/sysctl.d/99-sysctl.conf

• turn on Swap-Memory-Compression

open /boot/loader/loader.conf file
add zswap.enabled=1 to options

options root=UUID=XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX rw quiet loglevel=0 zswap.enabled=1

.improve CPU performance

• irq balance

        pacman -Syu irqbalance
        systemctl enable irqbalance

• turn off meltdown spectre attack mitigations

open /boot/loader/loader.conf file
add mitigations=off to options

options root=UUID=XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX rw quiet loglevel=0 zswap.enabled=1 mitigations=off

language and timezone

these are optional configurations

• set language

generate and use your appropriate locale

        echo 'C.UTF-8 UTF-8' > /etc/locale.gen
        locale-gen
        echo 'LANG=C.UTF-8' > /etc/locale.conf

replace C.UTF-8 UTF8 and C.UTF-8 to your appreciation

• set Console-Font

        ls /usr/share/kbd/consolefonts               # print available bitmap font files
        setfont font_name                            # test font temporary
        echo 'FONT=font_name' >> /etc/vconsole.conf  # set font persistenct

---

pacman -Syu terminus-font to install terminus console font

---

• set Input-Keyboard-Layout

        echo 'KEYMAP=us' >> /etc/vconsole.conf

replace us to your appreciate Keyboard-Layout

• timezone

first to list the Timezone-File you'd like to pickup

        ls -alh /usr/share/zoneinfo | more

then pick one and Symbolically link it to /etc/localtime

        ln -sf /usr/share/your_picked_race_zone_file /etc/localtime

.make linux console more awesome and cooler

• Login-Shell Top-Bar and Background

change your /etc/issue file contents to

\e[0;0H\e[0;30;45m <\l> [/\\rch Linux \r]\e[K\e[m

then you can append your Login-Text-Art in /etc/issue file

\e[1;36m                                  __,.-------..._
\e[0;36m                            ,.-+'"" _,..+++++++._`" +._
\e[0;32m                          ,/" ,.-+'"            '""+-._`'+.
\e[1;32m                        ./" ,/        __,.--+""+--..__ `+. `'+
\e[1;33m                      ,/' ,/      _,-_;:--+''""''+-.._`-. `+. `'
\e[0;33m                     ,/ ,/      /',+'                 '+.`.  `+.`'
\e[0;31m                    ,/ ,/     /'./     ,_.-.++'""'++._   `.`+. `+.`'
\e[1;31m                  ,/' ,/.    /'.'   ./' _,.-++""+--.._`+.  `. +  `.`'
\e[1;35m             ___,/',----.`. /./    /','"     _....._  `+.`.  `.`. `.`'+
\e[0;35m          ,/'"___ /      `.' |.   /,/      ,'       `'.  +.`. `.`   `.`'
\e[0;34m        ,|' ./,__`__ ,_ __ l. ^--' _`.____/.           `.___`. `.`.  `.`+
\e[1;34m       ./  ,l | ,', || v / / ,-.  (_)  _-_   _-_  ,-.  ,---. `. `;`.  `.`+  @
\e[1;36m       '|  'l |_"_"_/^7 / /' | |  | | (_ _) (_ _) | |  ( ^__; `.__;`_   _ `+---.
\e[0;36m        `+. `.       (Y/ /'  |__) |_|  |__)  |__) |__) `.__,' ,-==-. "+"  ,-==-."+.
\e[0;32m           `> `+.     ` /',-+^^^^+-.      ,-====-.     ,-=-.  `.   `. '   /    |;`|;
\e[1;32m      _,.-+"_,--_ `+. ,/''          `.   /       `.   /     |. `.   `.   /    /' /'
\e[1;33m   ,;' ,.-'"     `.  '  /      .     '.  |         ;  |     |;  `.   `. /    /' /'
\e[0;33m  / ,/'            `.  .     .' `.    '; |      .   ; |     |;   `.    v    /' /'
\e[0;31m,',/.'      _._     `..|    /  .  ;    ;.|      |`.  '|     |;    `.   '   /' /'
\e[1;31m| |.      /'   `.    `.|    '--^--     |,|      |;`.  '     |;     `.     /' /'
\e[1;35m`.`.     |'  .   |    ||              /, |      |; `.       |;      )    /' /'
\e[0;35m `.`.    `.__^__/'   /, `.____.-.___,/,  |      |;  `.      |;     /    /' /'
\e[0;34m  `.`.             _/,   ,.-+- .  '      |      |;   `.     |;    /    /' /'
\e[1;34m   `.`.      _,.-'"    ,/        `+.     |      |;    `.___,'    /    /' /'
\e[1;36m    `.`.     `.      ,/             `.   `.____,'       """   ,.'    /' /'
\e[0;36m     `.`.     `.    ,|        ,,==._   "+-......__       _,.-"     ," /"
\e[0;32m      `.`.     `.   |        //    `."+__        '""""""'      _,+' ,"
\e[1;32m       `.`.    /',  '|       K       |.  '''--+...__   _,.=--'"  ,/'       _,.-=+"""""++-..
\e[1;33m        `.`.__/',^.  `.      "       |'            '""''      ,+'       ,+'         ,-.    `+.
\e[0;33m         `._'','   +. `.      `._,   /' .__    _.      _     <       ,+'   ,+-.     `. |     '`+.
\e[0;31m           ``'      `. `.          /',  `. """" |     (_)  ___`+._.+'      | /' ___  | |     _  '`+.
\e[1;31m                     `.   +-___-+"' ,^.  | c===-'_  _ ,-. / _ `+,-._    __ | |/'   `.| |__  (_)___.`'.
\e[1;35m                       `+.__  _...+'   | | ,--.|| |' )| || (_) || ,.`.,/  `| |(  C==<| '  `.,-.|  `+. +.
\e[0;35m                           '''       ,'  | |    | ./" | || ._,-;| || ||  ()  |>==u  )| ,^. || || D  ). `.
\e[0;34m                                   ,/   /__|.  ,|_|.  |_| `.__/,|_||_| `._/|_|.`._./'|_| |_||_|| ._/+   '.
\e[1;34m                                 ,'          +  _  ,-.   ,-.  ,--.   ,++-.-+. _                | |'     '.
\e[1;36m                                .|           I [_' | `+ / , ||_--.`.(  ()  ./(_) .---.         | |      /.
\e[0;36m                                +.           I ._] | . ` /| | ,--' | +___; | ,-./'   `+       ,|_|.    ,+
\e[0;32m                                `+                 | |`./ | ||  () |. __,+ | | ||  C==<               ,+
\e[1;32m                                 `|.              ,|_|.  ,|_|`.__/|_||___,/' |_|`+.__./             ,+
\e[1;33m                                    +.........._________________________________________________,.+'\e[m

• System-Wide profile configuration

open /etc/profile and change contents to

append_path() {
  case ":$PATH:" in
    *:"$1":*)
      ;;
    *)
      PATH="${PATH:+$PATH:}$1"
  esac
}

export PATH='/usr/local/sbin:/usr/local/bin:/usr/bin'
if [[ -d /etc/profile.d/ ]]; then
  for profile in /etc/profile.d/*.sh; do
    [[ -r $profile ]] && . "$profile"
  done
  unset profile
fi
[[ $- == *i* ]] && [[ -z $POSIXLY_CORRECT ]] && [[ ${0#-} != sh ]] && [[ -r /etc/bash.bashrc ]] && . /etc/bash.bashrc
unset -f append_path
unset TERMCAP
unset MANPATH

• enhance Bash-Tab-Completion

set show-all-if-unmodified on
set show-all-if-ambiguous on
set colored-stats on
set visible-stats on
set mark-symlinked-directories on
set colored-completion-prefix on
set menu-complete-display-prefix on

add Above-Contents to your /etc/inputrc file

• use Mouse in console

        systemctl enable gpm
        systemctl start gpm

• tmux Terminal-Multiplexer

install tmux

        pacman -Syu tmux

create System-Wide tmux Config-File

        vim /etc/tmux.conf

set -g pane-border-status bottom
set -g pane-border-style fg=white
set -g pane-active-border-style fg=brightcyan
set -g pane-border-format ""
set -g status-style bg=black
set -g status-justify centre
set -g status-right "#[fg=brightblue]%I:%M %p "
set -g status-left " #[fg=brightblue]TMUX-#S"
set -g window-status-current-format "#[fg=brightmagenta]#{?window_zoomed_flag,( #I ),(#I)}"
set -g window-status-format "#[fg=magenta] #I "
set -g message-style bg=black,fg=white
set -g clock-mode-colour magenta

add Above-Contents to your /etc/tmux.conf file
then

        tmux source-file /etc/tmux.conf

• fastfetch

install fastfetch

        pacman -Syu fastfetch

generate Config-File to /home/your_user_name/.config/fastfetch/config.jsonc

        fastfetch --gen-config

and Change the config.jsonc file contents to

{
  "display": {"color": "yellow", "separator": " <> "}
  "modules": ["os","separator","kernel","shell","terminal","terminalfont","display","cpu","gpu","memory","swap","disk","packages","localip","uptime","battery","separator","colors"]
}

add below alias to show fastfetch after clear

alias clear='clear;tput cup 4 0;fastfetch'

• System-Wide bash configuration

ensure all User-Specific bash Config-File ~/.bashrc have been removed
then open /etc/bash.bashrc and Clear up all Default-Contents inside and Follow the configuration below

• general command alias

alias ip='ip --color=always'
alias grep='grep --color=always'
alias diff='diff --color=always'
alias rm='rm -f'
alias dd='dd status=progress'
alias ps='ps -uf'
alias pwd="pwd -LP | command grep --color=always '/\|'"

ls() {
  command ls --color=always -FAXlh "$@" |\
  command grep --color=always '^b\|:\|\.\|root\|' |\
  GREP_COLORS='ms=01;34'\
  command grep --color=always '^d\|/\|_\|' |\
  GREP_COLORS='ms=01;32'\
  command grep --color=always '^total\|-\|>\|' |\
  GREP_COLORS='ms=01;36'\
  command grep --color=always '^l\|' |\
  GREP_COLORS='ms=01;33'\
  command grep --color=always '^c\|*\|'
}

cd() {
  command cd "$@"; ls
}

file() {
  command file "$@" |\
  command grep --color=always 'block\|/\|-\|+\|' |\
  GREP_COLORS='ms=01;34'\
  command grep --color=always 'directory\|:\|\.\|,\|#\|)\|(\|_\|' |\
  GREP_COLORS='ms=01;36'\
  command grep --color=always 'link\|' |\
  GREP_COLORS='ms=01;33'\
  command grep --color=always 'character\|'
}

cat() {
  command cat "$@" |\
  command grep --color=always '\.\|,\|;\|:\|_\|}\|{\|)\|(\|]\|\[\|\\\|\$\|#\|?\|!\|@\|`\|"\|' |\
  command grep --color=always "'\|" |\
  GREP_COLORS='ms=01;34'\
  command grep --color=always '+\|-\|*\|/\|%\|=\|>\|<\|&\||\|\^\|~\|'
}

lsblk() {
  command lsblk "$@" |\
  command grep --color=always ']\|\[\|RM\|RO\|FS\|disk\|%\|' |\
  GREP_COLORS='ms=01;34'\
  command grep --color=always '^NAME\|SIZE\|TYPE\|SWAP\|\.\|:\|/\|-\|VER\|AVAIL\|UUID\|USE\|'
}

lspci() {
  command lspci -tv "$@" |\
  command grep --color=always ']\|\[\|+\|-\||\|\\\|/\|' |\
  GREP_COLORS='ms=01;34'\
  command grep --color=always '\.\|:\|,\|'
}

findmnt() {
  command findmnt "$@" |\
  command grep --color=always 'TARGET\|SOURCE\|FSTYPE\|OPTIONS\|' |\
  GREP_COLORS='ms=01;36'\
  command grep --color=always ',\|=\|' |\
  GREP_COLORS='ms=01;32'\
  command grep --color=always '/\|'
}

add above alias to your /etc/bash.bashrc file
then you can run . /etc/bash.bashrc to see the changes

• make Command-Prompt awesome

open /etc/bash.bashrc file
change original PS1 configuration to

PS1="\[\e[2B\e[4C\e[0;36;40m__\e[1;35;44m \u \e[0;36;40m\]\n   |__> \[\e[s\e[0;0H\e[0;34;47m <\l> [\w]\e[K\e[u\e[1;36;40m\]"
PS0='\e[12C\e[1;32m|\\/|\n\e[12C\e[1;36m|  |\e[1;32;44m \h \e[1;34;40m\n\e[13C\\/\n\e[1;37m'
if [[ $EUID == 0 ]]
then
        PS1="\[\e[2B\e[4C\e[0;31;40m__\e[0;31;43m \u \e[0;31;40m\]\n   |__> \[\e[s\e[0;0H\e[0;34;47m <\l> [\w]\e[K\e[u\e[1;33;40m\]"
        ps0='\e[12C\e[1;33m|\\/|\n\e[12C\e[1;31m|  |\e[1;32;43m \h \e[0;31;40m\n\e[13C\\/\n\e[1;37m'
else
        command clear
fi

then you can run . /etc/bash.bashrc to see the changes

• Interactive-Shell Top-Bar

tbar() {
  bat_percent=$(cat /sys/class/power_supply/BAT0/capacity)
  bat_format="\e[0;34;47m100% [II}"
  ((bat_percent < 100)) && bat_format=" \e[0;34;47m$bat_percent% [II\e[0;30;47m}"
  ((bat_percent < 64)) && bat_format=" \e[0;33;47m$bat_percent% [I\e[0;30;47mI}"
  ((bat_percent < 32)) && bat_format=" \e[0;31;47m$bat_percent% [\e[0;30;47mII}"
  echo -e "\n\e[1B\e[2A\e[s\e[0;0H\e[0;34;47m\e[K <$tty_name> [$(pwd)]\e[0;${tbar_mid}H$(date +"%I:%M %p")\e[0;${tbar_right}H$bat_format\e[u"
}

PROMPT_COMMAND=tbar

add Above-Contents to /etc/bash.bashrc
and if you use tmux then append Contents-Below

if [[ -n $TMUX ]]; then
  PROMPT_COMMAND=''
  PS1="\[\e[2B\e[4C\e[0;36;40m__\e[1;35;44m \u \e[0;36;40m\]\n   |__> \[\e[s\e[0;0H\e[0;34;47m\e[K <\l> [\w]\e[u\e[1;36;40m\]"
  [[ $EUID == 0 ]] && PS1="\[\e[2B\e[4C\e[0;31;40m__\e[0;31;43m \u \e[0;31;40m\]\n   |__> \[\e[s\e[0;0H\e[0;34;47m\e[K <\l> [\w]\e[u\e[1;33;40m\]"
fi

then run . /etc/bash.bashrc to see the changes

.other packages

• generate top command config file

        top # open top task manager first

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suggested configuration:
press key Z once to turn on color view and
press Shift + Z to toggle your color favor
press key T twice to get solid CPU usage graph
press key M once to get Memory usage graph
press Shift + M to show tasks by Memory usage
press Shift + V to get COMMAND hierarchy view
press key D once to set refresh delay, lower to 0.1 or higher above 3.0
press key B once switch to hilight mode then
press key X once to hilight tasks sorting column
press Shift + W to generate config file for current user

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• wget

install wget

        pacman -Syu wget

useful wget alias to add into /etc/bash.bashrc

alias wget='wget -c'

• vim minimal configuration

:set number
:set nowrap
:set cursorline
:set foldmethod=indent
:set expandtab
:set tabstop=4
:set shiftwidth=4
:set incsearch
:set hlsearch

add Above-Contents to your /etc/vimrc file

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Licence: CC BY-SA 4.0