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on FreeBSD, you'll need to create a virtual block device # for the image using: # mdconfig -a -t vnode -f /path/to/image.img -u 0 # link image to virtual

Configurable/Cross-Platform commandline resource manager written in rust. Similar to gnu top. Has a vi mode. NOTE: neat, but graphs are CPU drains and

SQLite uses SQL. sqlite3 # in-memory db sqlite3 new.db # open/create db You can add sqlite commands to your sqliterc. # ~/.sqliterc .mode column .header

xchm file.chm

kchmviewer file.chm

xarchiver is a GUI program to manage various archive formats sudo pacman -S xarchiver

Applescript osascript -e 'display notification "nice text" with title "nice title"'

Deletes files within a filesystem. I haven't had the occasion to use it yet. wipe -r /path/to/wipe

pkg install cbsd

% a comment

sudo pacman -S aria2 aria2c file.torrent # start a torrent download

(+ 3 4) ;; adds 3 and 4

;; comments begin with double-semicolons

if true then "true" else "false"

Tools --> Preferences --> Automatically detect Markdown

NOTE: Did not work for me sudo pacman -S mono git clone https://github.com/zabirauf/icsharp cd icsharp xbuild

/* Multiline * comment */ let foo = 1 // comment

# line comment

Issue a notification from the commandline on a linux/bsd server. notify-send SUMMARY BODY

requests a password, encryption algorithm varies` verify encryption algorithm used 7z l -slt file.zip

require 'json' {"a" => "b"}.to_json #> '{"a": "b"}' JSON.parse('{"a": 1}') #> { "a" => 1 }

Sub mysub(argument1,argument2) some statements End Sub

Get-Date Get-TimeZone Set-TimeZone 'Eastern Standard Time'

sudo pacman -S qutebrowser # archlinux choco install -y qutebrowser # windows brew cask install qutebrowser # macos

Compress/Extract rar archives. # extract, preserving directory structure unrar x src.rar /path/out/

Change the user/group that owns a file. chown user:group file

sudo pacman -S pulseaudio pulseaudio-alsa sudo pacman -S pavucontrol-qt

TODO: UNFINISHED! import java.util.logging.Logger; import java.util.logging.*;

Mount directories as other directories. mount -t nullfs /mnt/mywebsite /usr/local/www/mywebsite

Set-ItemProperty -Path 'Registry::HKCU\Environment' -Name PATH -Value ($PATH.Path +";"+ $rezbin_PATH)

jot -r 1 1 50 # 1 random num between 1 and 50

wg # print configured connections wg show # print configured connections wg-quick up wg0 # activate wg0

Lines matching '\s*"' are comments. " a comment " another comment

FreeBSD # requires port: sysutils/fusefs-exfat # NOTE: I was unable to compile (2020/05) mount -t exfat /dev/ad1s1 /mnt

commandline launchctl -h

ls --group-directories-first ls -X # sort by file-extension ls -v # sort with natural sorting

(message "her name is %s, her age is %d" (list "vickie" 24) ) ;; print with substitution (print "abc") ;; normal print

CentOS uses a the rpm based package manager YUM. yum search <package> # search for a package yum install <package> # install package yum update # update

Full list https://nixos.org/nix/manual/#sec-language-operators 1 + 1 # addition 1 - 1 # subtraction 1 * 1 # multiplication 1 / 1 # division

RPCS3 is a playstation 3 emulator. pacaur -S cereal pacaur -S rpcs3-git

Dim var ' Normal variable within scope Public var ' Global variable Private var ' (? private to what)

Set-PSBreakpoint # set breakpoint on current line Set-PSBreakpoint -Line 15 # set breakpoint on line 15

Anbox is an android emulator for linux. pacman -S anbox

sudo pacman -S jupyter pacaur -S jre pacaur -S jdk11 git clone https://github.com/SpencerPark/IJava.git cd IJava/ sudo chmod u+w gradlew ./gradlew installKernel

IF( <expr> AND <expr> ) IF( <expr> OR <expr> ) https://cmake.org/cmake/help/v3.11/command/if.html

if ($PATH[0] -ne 'C:\Python27') { ... } # if statement if (!( $PATH.Contains('C:\Python27') )){ ... } # if not statement

CSVs are comma separated tables. headers are available, but not mandatory. entries may include commas if the row/column is written within double-quotes

A UML or general node-based diagram tool. sudo pacman -S dia

require 'yaml' YAML.load("a: 1", aliases: true) #> {"a"=>1} YAML.dump(['a', ['b']], indentation: 2)

pacman -S python # Archlinux pkg install python37 # FreeBSD brew install python # MacOS