diff --git a/pages/common/arp.md b/pages/common/arp.md
index d40e9e560e97a9..8dd58ffbeb7c90 100644
--- a/pages/common/arp.md
+++ b/pages/common/arp.md
@@ -5,12 +5,16 @@
 
 - Show the current ARP table:
 
+`arp`
+
+- Show [a]lternative BSD style output format with on fixed columns:
+
 `arp -a`
 
 - [d]elete a specific entry:
 
-`arp -d {{address}}`
+`sudo arp -d {{address}}`
 
 - [s]et up a new entry in the ARP table:
 
-`arp -s {{address}} {{mac_address}}`
+`sudo arp -s {{address}} {{mac_address}}`
diff --git a/pages/linux/apt-get.md b/pages/linux/apt-get.md
index 4254bab18a4887..4851680a8ecba5 100644
--- a/pages/linux/apt-get.md
+++ b/pages/linux/apt-get.md
@@ -7,23 +7,23 @@
 
 - Update the list of available packages and versions (it's recommended to run this before other `apt-get` commands):
 
-`apt-get update`
+`sudo apt-get update`
 
 - Install a package, or update it to the latest available version:
 
-`apt-get install {{package}}`
+`sudo apt-get install {{package}}`
 
 - Remove a package:
 
-`apt-get remove {{package}}`
+`sudo apt-get remove {{package}}`
 
 - Remove a package and its configuration files:
 
-`apt-get purge {{package}}`
+`sudo apt-get purge {{package}}`
 
 - Upgrade all installed packages to their newest available versions:
 
-`apt-get upgrade`
+`sudo apt-get upgrade`
 
 - Clean the local repository - removing package files (`.deb`) from interrupted downloads that can no longer be downloaded:
 
@@ -31,8 +31,8 @@
 
 - Remove all packages that are no longer needed:
 
-`apt-get autoremove`
+`sudo apt-get autoremove`
 
 - Upgrade installed packages (like `upgrade`), but remove obsolete packages and install additional packages to meet new dependencies:
 
-`apt-get dist-upgrade`
+`sudo apt-get dist-upgrade`
diff --git a/pages/linux/aptitude.md b/pages/linux/aptitude.md
index d9e95bca690128..1dcb44a97eb79a 100644
--- a/pages/linux/aptitude.md
+++ b/pages/linux/aptitude.md
@@ -5,11 +5,11 @@
 
 - Synchronize list of packages and versions available. This should be run first, before running subsequent `aptitude` commands:
 
-`aptitude update`
+`sudo aptitude update`
 
 - Install a new package and its dependencies:
 
-`aptitude install {{package}}`
+`sudo aptitude install {{package}}`
 
 - Search for a package:
 
@@ -21,16 +21,16 @@
 
 - Remove a package and all packages depending on it:
 
-`aptitude remove {{package}}`
+`sudo aptitude remove {{package}}`
 
 - Upgrade installed packages to the newest available versions:
 
-`aptitude upgrade`
+`sudo aptitude upgrade`
 
 - Upgrade installed packages (like `aptitude upgrade`) including removing obsolete packages and installing additional packages to meet new package dependencies:
 
-`aptitude full-upgrade`
+`sudo aptitude full-upgrade`
 
 - Put an installed package on hold to prevent it from being automatically upgraded:
 
-`aptitude hold '?installed({{package}})'`
+`sudo aptitude hold '?installed({{package}})'`
diff --git a/pages/linux/dd.md b/pages/linux/dd.md
index 693e8976e3a8ad..ffcd5e751350dd 100644
--- a/pages/linux/dd.md
+++ b/pages/linux/dd.md
@@ -6,11 +6,11 @@
 
 - Make a bootable USB drive from an isohybrid file (such as `archlinux-xxx.iso`) and show the progress:
 
-`dd if={{path/to/file.iso}} of={{/dev/usb_drive}} status=progress`
+`sudo dd if={{path/to/file.iso}} of={{/dev/usb_drive}} status=progress`
 
 - Clone a drive to another drive with 4 MiB block size and flush writes before the command terminates:
 
-`dd bs=4M conv=fsync if={{/dev/source_drive}} of={{/dev/dest_drive}}`
+`sudo dd bs=4M conv=fsync if={{/dev/source_drive}} of={{/dev/dest_drive}}`
 
 - Generate a file with a specific number of random bytes by using kernel random driver:
 
@@ -26,4 +26,4 @@
 
 - Check the progress of an ongoing `dd` operation (run this command from another shell):
 
-`kill -USR1 $(pgrep {{[-x|--exact]}} dd)`
+`progress`
diff --git a/pages/linux/dpkg.md b/pages/linux/dpkg.md
index 3540eda76ba842..2dc90ba34e2892 100644
--- a/pages/linux/dpkg.md
+++ b/pages/linux/dpkg.md
@@ -7,11 +7,11 @@
 
 - Install a package:
 
-`dpkg {{[-i|--install]}} {{path/to/file.deb}}`
+`sudo dpkg {{[-i|--install]}} {{path/to/file.deb}}`
 
 - Remove a package:
 
-`dpkg {{[-r|--remove]}} {{package}}`
+`sudo dpkg {{[-r|--remove]}} {{package}}`
 
 - List installed packages:
 
@@ -31,4 +31,4 @@
 
 - Purge an installed or already removed package, including configuration:
 
-`dpkg {{[-P|--purge]}} {{package}}`
+`sudo dpkg {{[-P|--purge]}} {{package}}`
diff --git a/pages/linux/strace.md b/pages/linux/strace.md
index dbb72f2a95246a..871bbaea572828 100644
--- a/pages/linux/strace.md
+++ b/pages/linux/strace.md
@@ -5,19 +5,19 @@
 
 - Start tracing a specific process by its PID:
 
-`strace {{[-p|--attach]}} {{pid}}`
+`sudo strace {{[-p|--attach]}} {{pid}}`
 
 - Trace a process and filter output by system call [e]xpression:
 
-`strace {{[-p|--attach]}} {{pid}} -e {{system_call,system_call2,...}}`
+`sudo strace {{[-p|--attach]}} {{pid}} -e {{system_call,system_call2,...}}`
 
 - Count time, calls, and errors for each system call and report a summary on program exit:
 
-`strace {{[-p|--attach]}} {{pid}} {{[-c|--summary-only]}}`
+`sudo strace {{[-p|--attach]}} {{pid}} {{[-c|--summary-only]}}`
 
 - Show the time spent in every system call and specify the maximum string size to print:
 
-`strace {{[-p|--attach]}} {{pid}} {{[-T|--syscall-times]}} {{[-s|--string-limit]}} {{32}}`
+`sudo strace {{[-p|--attach]}} {{pid}} {{[-T|--syscall-times]}} {{[-s|--string-limit]}} {{32}}`
 
 - Start tracing a program by executing it: