retag Linux with lowercase

2026-01-31 12:21:49 +00:00 · 2026-01-31 12:21:49 +00:00 · af6087fe9b
commit af6087fe9b
parent ee7d7ce00a
41 changed files with 78 additions and 91 deletions
--- a/zk/Basic_model_of_the_operating_system.md
+++ b/zk/Basic_model_of_the_operating_system.md
@ -1,41 +1,35 @@
 ---
 tags:
  - operating-systems
-  - Linux
+  - linux
 ---
-# Basic model of a nix operating system
+# Basic model of a \*nix operating system
 We can abstract the Linux OS into three operational levels or tiers, from the
 bottom up:
-<dl>
+- **User processes: user space**
-<dt>User processes: user space</dt>
+  - The running programs that the kernel manages. Also known as the user space
-<dd>The running programs that the kernel manages. Also known as the user space which is the memory that the kernal assigns for user processes. Comprising:
+    which is the memory that the kernel assigns for user processes. Comprising:
-<ul>
+    - Graphical user interface
-    <li>Graphical user interface</li>
+    - Servers
-    <li>Servers</li> 
+    - Shell
    <li>Shell</li>    
  </ul>
 <dt>Kernel: kernel space</dt>
 </dd>
 <dd>The core of the operating system. Software residing in memory that tells the CPU where to look for its next task. Acts as a mediator and primary interface between the hardware and the user processes. Known as kernel space: the memory that the kernel allocates for itself. Comprising:
  <ul>
    <li>System calls</li>
    <li>Process management</li> 
    <li>Memory management</li>    
    <li>Device drivers</li>    
  </ul>
 </dd>
 <dt>Hardware</dt>
 <dd>The base: one or more CPUs and RAM memory performing computations and writing to memory. Comprising:
  <ul>
    <li>Processor (CPU)</li>
    <li>Main memory (RAM)</li> 
    <li>Disks</li>    
    <li>Network ports</li>    
  </ul>
 </dl>
-!! Add info on kernel mode and user mode
+- **Kernel: kernel space**
-https://www.geeksforgeeks.org/user-mode-and-kernel-mode-switching/
+  - The core of the operating system. Software residing in memory that tells the
    CPU where to look for its next task. Acts as a mediator and primary
    interface between the hardware and the user processes. Known as kernel
    space: the memory that the kernel allocates for itself. Comprising:
    - System calls
    - Process management
    - Memory management
    - Device drivers
 - **Hardware**
  - The base: one or more CPUs and RAM memory performing computations and
    writing to memory. Comprising:
    - Processor (CPU)
    - Main memory (RAM)
    - Disks
    - Network ports
--- a/zk/Bluetooth.md
+++ b/zk/Bluetooth.md
@ -3,7 +3,7 @@ tags:
  - networks
  - procedural
  - bluetooth
-  - Linux
+  - linux
 ---
 # Bluetooth
--- a/zk/Compile_from_source.md
+++ b/zk/Compile_from_source.md
@ -1,5 +1,5 @@
 ---
-tags: [Linux, procedural]
+tags: [linux, procedural]
 ---
 # Compile package from source
--- a/zk/Containerization.md
+++ b/zk/Containerization.md
@ -1,5 +1,5 @@
 ---
-tags: [docker, containerization, Linux]
+tags: [docker, containerization, linux]
 ---
 # Containerizaton
@ -31,11 +31,11 @@ increased the speed of transport.
  particular implementation of containerization that simplifies the process and
  bases it on a standardised specification.
- Containers are native to the Linux [kernal](The_kernel.md)
+- Containers are native to the Linux [kernal](The_kernel.md) and are key part of
-  and are key part of how it works. Thus when you run containers on Linux, you
+  how it works. Thus when you run containers on Linux, you are using native
-  are using native capability. When you use containers on Windows or Mac you
+  capability. When you use containers on Windows or Mac you have to run a
-  have to run a virtual version of Linux in order to exploit the capabilities of
+  virtual version of Linux in order to exploit the capabilities of that kernel.
-  that kernel. (Docker provides this)
+  (Docker provides this)
 ## How containers work
@ -51,11 +51,11 @@ groups).
  example a container is ignorant of the underlying operating system and
  network, by default.
-In ordinary [user space](User_Space.md) applications share
+In ordinary [user space](User_Space.md) applications share the _same_ processor,
-the _same_ processor, memory and file system resources. This increases the
+memory and file system resources. This increases the likelihood of resourcing
-likelihood of resourcing challenges, dependency conflicts and security threats.
+challenges, dependency conflicts and security threats. Without modularisation
-Without modularisation and the titration of resources, you are opened up to much
+and the titration of resources, you are opened up to much greater possibility of
-greater possibility of failure.
+failure.
 For example one application could fill up the harddrive preventing other
 applications from writing to it. One application can "bring down" another
--- a/zk/Create_timed_systemd_job.md
+++ b/zk/Create_timed_systemd_job.md
@ -2,7 +2,7 @@
 tags:
  - systems-programming
  - systemd
-  - Linux
+  - linux
  - procedural
 ---
--- a/zk/Creating_a_Linux_partition_table.md
+++ b/zk/Creating_a_Linux_partition_table.md
@ -1,7 +1,7 @@
 ---
 tags:
  - disks
-  - Linux
+  - linux
 created: Monday, May 06, 2024
 ---
--- a/zk/Cron.md
+++ b/zk/Cron.md
@ -1,7 +1,7 @@
 ---
 tags:
  - shell
-  - Linux
+  - linux
  - procedural
 ---
--- a/zk/Debian_package_management.md
+++ b/zk/Debian_package_management.md
@ -1,6 +1,6 @@
 ---
 tags:
-  - Linux
+  - linux
  - Debian
 ---
--- a/zk/Delete_and_replace_characters_from_stdout_with_tr.md
+++ b/zk/Delete_and_replace_characters_from_stdout_with_tr.md
@ -1,6 +1,6 @@
 ---
 tags:
-  - Linux
+  - linux
  - procedural
 ---
--- a/zk/Devices.md
+++ b/zk/Devices.md
@ -1,7 +1,7 @@
 ---
 tags:
  - computer-architecture
-  - Linux
+  - linux
 ---
 # Devices
--- a/zk/Disk_info.md
+++ b/zk/Disk_info.md
@ -3,7 +3,7 @@ tags:
  - systems-programming
  - disks
  - procedural
-  - Linux
+  - linux
 ---
 # Disk info routines
--- a/zk/File_permissions_in_Linux.md
+++ b/zk/File_permissions_in_Linux.md
@ -1,5 +1,5 @@
 ---
-tags: [Linux, permissions]
+tags: [linux, permissions]
 created: Friday, April 11, 2025
 ---
--- a/zk/Foreground_and_background_processes.md
+++ b/zk/Foreground_and_background_processes.md
@ -1,6 +1,6 @@
 ---
 tags:
-  - Linux
+  - linux
 ---
 ## Use `&` to send a process to background
--- a/zk/Headless_Raspi_network_setup.md
+++ b/zk/Headless_Raspi_network_setup.md
@ -2,7 +2,7 @@
 id: hb10
 tags:
  - networks
-  - Linux
+  - linux
  - raspberry-pi
  - procedural
 created: Wednesday, June 12, 2024
--- a/zk/Linux_disk_partitions.md
+++ b/zk/Linux_disk_partitions.md
@ -1,7 +1,7 @@
 ---
 tags:
  - disks
-  - Linux
+  - linux
  - procedural
 ---
--- a/zk/Memory_Management_Unit.md
+++ b/zk/Memory_Management_Unit.md
@ -1,5 +1,5 @@
 ---
-tags: [memory, Linux]
+tags: [memory, linux]
 created: Monday, July 08, 2024
 ---
--- a/zk/Monitoring_processes_and_resources.md
+++ b/zk/Monitoring_processes_and_resources.md
@ -1,7 +1,7 @@
 ---
 tags:
  - systems-programming
-  - Linux
+  - linux
  - procedural
 ---
--- a/zk/Network_scanning.md
+++ b/zk/Network_scanning.md
@ -1,6 +1,6 @@
 ---
 id: ippn
-tags: [networks, procedural, Linux, dns]
+tags: [networks, procedural, linux, dns]
 created: Monday, June 10, 2024
 ---
--- a/zk/Pacman.md
+++ b/zk/Pacman.md
@ -1,6 +1,6 @@
 ---
 tags:
-  - Linux
+  - linux
  - procedural
  - arch-linux
 ---
--- a/zk/Repair_disks-with_fsck.md
+++ b/zk/Repair_disks-with_fsck.md
@ -1,6 +1,5 @@
 ---
-tags: [disks, procedural, Linux]
+tags: [disks, procedural, linux]
 created: Saturday, April 26, 2025
 ---
 # Repair disks with fsck
--- a/zk/Save_readonly_Vim_file.md
+++ b/zk/Save_readonly_Vim_file.md
@ -1,6 +1,6 @@
 ---
 tags:
-  - Linux
+  - linux
  - procedural
 ---
--- a/zk/Set_DNS_settings.md
+++ b/zk/Set_DNS_settings.md
@ -1,6 +1,6 @@
 ---
 id: 2w0e
-tags: [Linux, networks]
+tags: [linux, networks]
 created: Wednesday, June 12, 2024
 ---
--- a/zk/Silence_output_in_Curl.md
+++ b/zk/Silence_output_in_Curl.md
@ -2,7 +2,7 @@
 tags:
  - procedural
  - curl
-  - Linux
+  - linux
 ---
 # Silence output in `curl`
--- a/zk/Sudoers_file.md
+++ b/zk/Sudoers_file.md
@ -1,6 +1,6 @@
 ---
 tags:
-  - Linux
+  - linux
  - procedural
 ---
--- a/zk/Swap_space.md
+++ b/zk/Swap_space.md
@ -2,7 +2,7 @@
 tags:
  - memory
  - disks
-  - Linux
+  - linux
  - operating-systems
 ---
@ -38,8 +38,8 @@ To use an existing disk partition as a swap you can run the command
 ### Add to `fstab`
 You will want the swap to be activated every time the OS boots so add the
-following line to the [fstab](Filesystems.md#fstab),
+following line to the [fstab](Filesystems.md#fstab), where `/sda3` is used as
-where `/sda3` is used as the example partition:
+the example partition:
 ```bash
 /dev/sda3e none swap sw 0 0
--- a/zk/Symlinks.md
+++ b/zk/Symlinks.md
@ -1,7 +1,7 @@
 ---
 tags:
  - shell
-  - Linux
+  - linux
  - procedural
 ---
--- a/zk/Timed_systemd_units.md
+++ b/zk/Timed_systemd_units.md
@ -1,6 +1,6 @@
 ---
 tags:
-  - Linux
+  - linux
  - procedural
  - systemd
 ---
--- a/zk/Truncate_stdout_with_cut.md
+++ b/zk/Truncate_stdout_with_cut.md
@ -1,6 +1,6 @@
 ---
 tags:
-  - Linux
+  - linux
  - procedural
 ---
--- a/zk/User_management_in_Linux.md
+++ b/zk/User_management_in_Linux.md
@ -1,6 +1,6 @@
 ---
 tags:
-  - Linux
+  - linux
  - procedural
 ---
--- a/zk/View_IP_addresses.md
+++ b/zk/View_IP_addresses.md
@ -1,6 +1,5 @@
 ---
-tags: [networks, procedural, Linux]
+tags: [networks, procedural, linux]
 created: Friday, January 10, 2025
 ---
 # View IP addresses
--- a/zk/VirtualMemory.md
+++ b/zk/VirtualMemory.md
@ -1,7 +1,7 @@
 ---
 tags:
  - memory
-  - Linux
+  - linux
  - kernel
 ---
--- a/zk/chmod.md
+++ b/zk/chmod.md
@ -1,6 +1,5 @@
 ---
-tags: [permissions, Linux]
+tags: [permissions, linux]
 created: Friday, April 11, 2025
 ---
 Modify file permissions.
--- a/zk/chown.md
+++ b/zk/chown.md
@ -1,6 +1,5 @@
 ---
-tags: [permissions, Linux]
+tags: [permissions, linux]
 created: Friday, April 11, 2025
 ---
 # chown
--- a/zk/journalctl.md
+++ b/zk/journalctl.md
@ -1,5 +1,5 @@
 ---
-tags: [Linux, procedural, logs]
+tags: [linux, procedural, logs]
 created: Thursday, April 24, 2025
 ---
--- a/zk/journald.md
+++ b/zk/journald.md
@ -1,7 +1,7 @@
 ---
 tags:
  - systems-programming
-  - Linux
+  - linux
  - procedural
 ---
--- a/zk/mosquitto_mqtt_client.md
+++ b/zk/mosquitto_mqtt_client.md
@ -1,6 +1,6 @@
 ---
 tags:
-  - Linux
+  - linux
  - Debian
  - mqtt
 ---
--- a/zk/ps.md
+++ b/zk/ps.md
@ -1,13 +1,12 @@
 ---
 tags:
  - shell
-  - Linux
+  - linux
 ---
 # Processes (`ps`)
-`ps` allows us to control [user processes](The_kernel.md)
+`ps` allows us to control [user processes](The_kernel.md) from the shell.
 from the shell.
 The command in its most minimal application returns the following
--- a/zk/rsync.md
+++ b/zk/rsync.md
@ -1,6 +1,5 @@
 ---
-tags: [file-transfer, Linux, procedural, disks]
+tags: [file-transfer, linux, procedural, disks]
 created: Saturday, April 26, 2025
 ---
 # rsync
--- a/zk/scp.md
+++ b/zk/scp.md
@ -1,6 +1,5 @@
 ---
-tags: [file-transfer, Linux, procedural, servers]
+tags: [file-transfer, linux, procedural, servers]
 created: Sunday, April 27, 2025
 ---
 # scp
--- a/zk/systemd.md
+++ b/zk/systemd.md
@ -1,7 +1,7 @@
 ---
 tags:
  - systems-programming
-  - Linux
+  - linux
  - procedural
  - systemd
  - operating-systems
--- a/zk/systemd_status.md
+++ b/zk/systemd_status.md
@ -3,7 +3,7 @@ id: v5f6xkdv
 tags:
  - systemd
  - systems-programming
-  - Linux
+  - linux
  - procedural
 created: Thursday, February 29, 2024 | 18:19
 ---