| ConceptID,ConceptLabel,Dependencies,TaxonomyID |
| 1,Operating System,,HIST |
| 2,UNIX History,1,HIST |
| 3,Bell Labs,2,HIST |
| 4,Ken Thompson,3,HIST |
| 5,Dennis Ritchie,3,HIST |
| 6,C Programming Language,5,HIST |
| 7,UNIX Philosophy,2,HIST |
| 8,Small Modular Tools,7,HIST |
| 9,Portability,6|7,HIST |
| 10,Open Source,7,HIST |
| 11,GNU Project,10,HIST |
| 12,Richard Stallman,11,HIST |
| 13,Linux Kernel,10|11,HIST |
| 14,Linus Torvalds,13,HIST |
| 15,Linux Distributions,13,HIST |
| 16,Debian,15,HIST |
| 17,Ubuntu,16,HIST |
| 18,BSD Unix,2,HIST |
| 19,UNIX System V,2,HIST |
| 20,POSIX Standards,7|9,HIST |
| 21,Shell,1|7,SHELL |
| 22,Bash Shell,21,SHELL |
| 23,Zsh Shell,21,SHELL |
| 24,Terminal Emulator,21,SHELL |
| 25,Command Line Interface,24,SHELL |
| 26,Shell Prompt,25,SHELL |
| 27,Command Syntax,25,SHELL |
| 28,Command Arguments,27,SHELL |
| 29,Command Options,27,SHELL |
| 30,Command Flags,29,SHELL |
| 31,Tab Completion,25,SHELL |
| 32,Command History,25,SHELL |
| 33,History Command,32,SHELL |
| 34,Arrow Key Navigation,25,SHELL |
| 35,Ctrl Key Shortcuts,25,SHELL |
| 36,Clear Command,25,SHELL |
| 37,Exit Command,25,SHELL |
| 38,Man Pages,27,SHELL |
| 39,Help Command,27,SHELL |
| 40,Whatis Command,38,SHELL |
| 41,Apropos Command,38,SHELL |
| 42,Echo Command,27,SHELL |
| 43,Printf Command,42,SHELL |
| 44,Date Command,27,SHELL |
| 45,Cal Command,27,SHELL |
| 46,Uptime Command,27,SHELL |
| 47,Whoami Command,27,SHELL |
| 48,Hostname Command,27,SHELL |
| 49,Uname Command,27,SHELL |
| 50,Version Information,49,SHELL |
| 51,File System,1,FSYS |
| 52,Root Directory,51,FSYS |
| 53,Home Directory,51|52,FSYS |
| 54,Current Directory,51,FSYS |
| 55,Parent Directory,54,FSYS |
| 56,Absolute Path,52,FSYS |
| 57,Relative Path,54|55,FSYS |
| 58,Pwd Command,54,FSYS |
| 59,Cd Command,54|56|57,FSYS |
| 60,Ls Command,51,FSYS |
| 61,Ls Options,29|60,FSYS |
| 62,Hidden Files,60,FSYS |
| 63,Dot Files,62,FSYS |
| 64,Directory Structure,51|52,FSYS |
| 65,Bin Directory,64,FSYS |
| 66,Etc Directory,64,FSYS |
| 67,Var Directory,64,FSYS |
| 68,Tmp Directory,64,FSYS |
| 69,Usr Directory,64,FSYS |
| 70,Opt Directory,64,FSYS |
| 71,Dev Directory,64,FSYS |
| 72,Proc Directory,64,FSYS |
| 73,Home Subdirectories,53,FSYS |
| 74,Desktop Directory,73,FSYS |
| 75,Documents Directory,73,FSYS |
| 76,Downloads Directory,73,FSYS |
| 77,Tree Command,60|64,FSYS |
| 78,File Command,51,FSYS |
| 79,Stat Command,51,FSYS |
| 80,Pathnames,56|57,FSYS |
| 81,Touch Command,51,FSYS |
| 82,Mkdir Command,51,FSYS |
| 83,Rmdir Command,82,FSYS |
| 84,Cp Command,51|80,FSYS |
| 85,Mv Command,51|80,FSYS |
| 86,Rm Command,51,FSYS |
| 87,Rm Recursive,86,FSYS |
| 88,Cat Command,51,FSYS |
| 89,Head Command,88,FSYS |
| 90,Tail Command,88,FSYS |
| 91,Less Command,88,FSYS |
| 92,More Command,88,FSYS |
| 93,Wc Command,88,FSYS |
| 94,Sort Command,88,FSYS |
| 95,Uniq Command,94,FSYS |
| 96,Cut Command,88,FSYS |
| 97,Paste Command,88,FSYS |
| 98,Diff Command,88,FSYS |
| 99,Symbolic Links,51|80,FSYS |
| 100,Hard Links,51,FSYS |
| 101,Ln Command,99|100,FSYS |
| 102,File Globbing,60,FSYS |
| 103,Wildcards,102,FSYS |
| 104,Asterisk Wildcard,103,FSYS |
| 105,Question Mark Wildcard,103,FSYS |
| 106,Bracket Expressions,103,FSYS |
| 107,Brace Expansion,103,FSYS |
| 108,Tilde Expansion,53|103,FSYS |
| 109,File Attributes,51,FSYS |
| 110,File Timestamps,109,FSYS |
| 111,File Permissions,51,PERM |
| 112,Read Permission,111,PERM |
| 113,Write Permission,111,PERM |
| 114,Execute Permission,111,PERM |
| 115,Owner Permissions,111|112|113|114,PERM |
| 116,Group Permissions,111|112|113|114,PERM |
| 117,Other Permissions,111|112|113|114,PERM |
| 118,Permission Notation,115|116|117,PERM |
| 119,Numeric Permissions,118,PERM |
| 120,Chmod Command,118|119,PERM |
| 121,Chown Command,111,PERM |
| 122,Chgrp Command,111,PERM |
| 123,User Accounts,1,PERM |
| 124,Root User,123,PERM |
| 125,Sudo Command,124,PERM |
| 126,Su Command,124,PERM |
| 127,User Groups,123,PERM |
| 128,Primary Group,127,PERM |
| 129,Secondary Groups,127,PERM |
| 130,Umask Command,119,PERM |
| 131,Default Permissions,130,PERM |
| 132,Setuid Bit,114|124,PERM |
| 133,Setgid Bit,114|127,PERM |
| 134,Sticky Bit,114,PERM |
| 135,Special Permissions,132|133|134,PERM |
| 136,Grep Command,88,TEXT |
| 137,Grep Options,29|136,TEXT |
| 138,Regular Expressions,136,TEXT |
| 139,Basic Regex,138,TEXT |
| 140,Extended Regex,139,TEXT |
| 141,Regex Metacharacters,138,TEXT |
| 142,Regex Anchors,141,TEXT |
| 143,Regex Character Classes,141,TEXT |
| 144,Regex Quantifiers,141,TEXT |
| 145,Sed Command,138|88,TEXT |
| 146,Sed Substitution,145,TEXT |
| 147,Awk Command,88,TEXT |
| 148,Awk Fields,147,TEXT |
| 149,Awk Patterns,147|138,TEXT |
| 150,Text Streams,88,TEXT |
| 151,Standard Input,150,TEXT |
| 152,Standard Output,150,TEXT |
| 153,Standard Error,150,TEXT |
| 154,Redirection,151|152|153,TEXT |
| 155,Output Redirection,154,TEXT |
| 156,Input Redirection,154,TEXT |
| 157,Append Redirection,155,TEXT |
| 158,Error Redirection,153|154,TEXT |
| 159,Pipe Operator,8|152|151,TEXT |
| 160,Pipeline Commands,159,TEXT |
| 161,Xargs Command,160,TEXT |
| 162,Tee Command,152|160,TEXT |
| 163,Tr Command,88,TEXT |
| 164,Rev Command,88,TEXT |
| 165,Fold Command,88,TEXT |
| 166,Text Editors,88,EDIT |
| 167,Nano Editor,166,EDIT |
| 168,Nano Commands,167,EDIT |
| 169,Nano Shortcuts,167,EDIT |
| 170,Vi Editor,166,EDIT |
| 171,Vim Editor,170,EDIT |
| 172,Vim Modes,171,EDIT |
| 173,Vim Insert Mode,172,EDIT |
| 174,Vim Command Mode,172,EDIT |
| 175,Vim Visual Mode,172,EDIT |
| 176,Vim Navigation,171,EDIT |
| 177,Vim Save and Quit,171,EDIT |
| 178,Vim Search Replace,171|138,EDIT |
| 179,Vimrc Configuration,171|63,EDIT |
| 180,Editor Selection,166,EDIT |
| 181,Shell Configuration,21|63,CONF |
| 182,Bashrc File,22|181,CONF |
| 183,Bash Profile,22|181,CONF |
| 184,Zshrc File,23|181,CONF |
| 185,Profile File,181,CONF |
| 186,Environment Variables,21,CONF |
| 187,PATH Variable,186|65,CONF |
| 188,HOME Variable,186|53,CONF |
| 189,USER Variable,186,CONF |
| 190,SHELL Variable,186|21,CONF |
| 191,Export Command,186,CONF |
| 192,Source Command,181,CONF |
| 193,Alias Command,21,CONF |
| 194,Creating Aliases,193,CONF |
| 195,Removing Aliases,193,CONF |
| 196,Shell Functions,21,CONF |
| 197,Shell Startup Order,181|182|183,CONF |
| 198,Login Shell,21,CONF |
| 199,Interactive Shell,21,CONF |
| 200,Non-Interactive Shell,21,CONF |
| 201,Processes,1,PROC |
| 202,Process ID,201,PROC |
| 203,Parent Process,201|202,PROC |
| 204,Child Process,203,PROC |
| 205,Foreground Process,201,PROC |
| 206,Background Process,201,PROC |
| 207,Ps Command,201,PROC |
| 208,Ps Options,29|207,PROC |
| 209,Top Command,201|337|338,PROC |
| 210,Htop Command,209,PROC |
| 211,Kill Command,201|202,PROC |
| 212,Kill Signals,211,PROC |
| 213,Killall Command,211,PROC |
| 214,Pkill Command,211,PROC |
| 215,Jobs Command,205|206,PROC |
| 216,Fg Command,206|215,PROC |
| 217,Bg Command,205|215,PROC |
| 218,Nohup Command,206,PROC |
| 219,Ampersand Operator,206,PROC |
| 220,Process Priority,201,PROC |
| 221,Nice Command,220,PROC |
| 222,Renice Command,220,PROC |
| 223,Pgrep Command,201,PROC |
| 224,Process States,201,PROC |
| 225,Zombie Processes,203|224,PROC |
| 226,Package Manager,15,PKG |
| 227,Software Packages,226,PKG |
| 228,Package Repositories,226,PKG |
| 229,APT Package Manager,16|226,PKG |
| 230,Apt Update,229,PKG |
| 231,Apt Upgrade,230,PKG |
| 232,Apt Install,229,PKG |
| 233,Apt Remove,229,PKG |
| 234,Apt Search,229,PKG |
| 235,Apt Show,229,PKG |
| 236,Dpkg Command,229,PKG |
| 237,Snap Packages,226,PKG |
| 238,Flatpak,226,PKG |
| 239,Homebrew,226,PKG |
| 240,Brew Install,239,PKG |
| 241,Brew Update,239,PKG |
| 242,Package Dependencies,227,PKG |
| 243,Repository Sources,228,PKG |
| 244,PPA Repositories,228|17,PKG |
| 245,Software Updates,230|231,PKG |
| 246,Network Basics,1,NET |
| 247,IP Address,246,NET |
| 248,MAC Address,246,NET |
| 249,DNS,246|247,NET |
| 250,Hostname Resolution,249,NET |
| 251,Network Interfaces,246,NET |
| 252,Ifconfig Command,251,NET |
| 253,Ip Command,251,NET |
| 254,Ping Command,247,NET |
| 255,Traceroute Command,247,NET |
| 256,Netstat Command,246|268,NET |
| 257,Ss Command,256,NET |
| 258,Curl Command,246,NET |
| 259,Wget Command,246,NET |
| 260,SSH Protocol,246,NET |
| 261,SSH Command,260,NET |
| 262,SSH Keys,260|470,NET |
| 263,SSH Config,261,NET |
| 264,SCP Command,261|84,NET |
| 265,Rsync Command,264,NET |
| 266,Firewall Basics,246,NET |
| 267,UFW Firewall,266,NET |
| 268,Network Ports,246,NET |
| 269,WiFi Configuration,246,NET |
| 270,Network Troubleshooting,254|255|256,NET |
| 271,File Compression,51,STOR |
| 272,Gzip Command,271,STOR |
| 273,Gunzip Command,272,STOR |
| 274,Bzip2 Command,271,STOR |
| 275,Xz Command,271,STOR |
| 276,Tar Command,271,STOR |
| 277,Tar Create,276,STOR |
| 278,Tar Extract,276,STOR |
| 279,Tar Options,29|276,STOR |
| 280,Zip Command,271,STOR |
| 281,Unzip Command,280,STOR |
| 282,Archive Formats,271,STOR |
| 283,Compression Ratios,271,STOR |
| 284,7zip Command,271,STOR |
| 285,File Archiving,276|280,STOR |
| 286,Find Command,51|80,STOR |
| 287,Find by Name,286,STOR |
| 288,Find by Type,286,STOR |
| 289,Find by Size,286,STOR |
| 290,Find by Time,286|110,STOR |
| 291,Find with Exec,286,STOR |
| 292,Locate Command,51,STOR |
| 293,Updatedb Command,292,STOR |
| 294,Which Command,187,STOR |
| 295,Whereis Command,51,STOR |
| 296,Type Command,21,STOR |
| 297,File Search Patterns,286|103,STOR |
| 298,Recursive Search,286,STOR |
| 299,Search Optimization,286|292,STOR |
| 300,Index Databases,292|293,STOR |
| 301,Cron Daemon,201,PROC |
| 302,Crontab Command,301,PROC |
| 303,Cron Syntax,302,PROC |
| 304,Cron Schedule Fields,303,PROC |
| 305,Cron Examples,303|304,PROC |
| 306,At Command,301,PROC |
| 307,Batch Command,306,PROC |
| 308,Systemd Timers,301|491,PROC |
| 309,Anacron,301,PROC |
| 310,Shell Scripts,21|196,PROC |
| 311,Script Shebang,310,PROC |
| 312,Script Permissions,114|310,PROC |
| 313,Script Variables,186|310,PROC |
| 314,Script Arguments,28|310,PROC |
| 315,Script Exit Codes,310,PROC |
| 316,Storage Devices,1,STOR |
| 317,Block Devices,316,STOR |
| 318,Character Devices,316,STOR |
| 319,Device Files,71|316,STOR |
| 320,Mount Command,316|51,STOR |
| 321,Umount Command,320,STOR |
| 322,Fstab File,320|66,STOR |
| 323,Disk Partitions,316,STOR |
| 324,Fdisk Command,323,STOR |
| 325,Lsblk Command,316,STOR |
| 326,Df Command,316|51,STOR |
| 327,Du Command,51,STOR |
| 328,USB Drives,316,STOR |
| 329,Flash Drives,328,STOR |
| 330,Swap Space,316,STOR |
| 331,Swap File,330,STOR |
| 332,Swap Partition,330|323,STOR |
| 333,File System Types,51,STOR |
| 334,Ext4 File System,333,STOR |
| 335,NTFS Support,333,STOR |
| 336,System Monitoring,201,STOR |
| 337,CPU Usage,336,STOR |
| 338,Memory Usage,336,STOR |
| 339,Disk Usage,326|327,STOR |
| 340,Free Command,338,STOR |
| 341,Vmstat Command,336,STOR |
| 342,Iostat Command,336,STOR |
| 343,Sar Command,336,STOR |
| 344,Performance Tuning,336,STOR |
| 345,CPU Benchmarks,337|344,STOR |
| 346,Disk Benchmarks,339|344,STOR |
| 347,GPU Performance,344,STOR |
| 348,System Load,336,STOR |
| 349,Load Average,348,STOR |
| 350,Bottleneck Analysis,344|345|346,STOR |
| 351,Raspberry Pi,15,RPI |
| 352,Raspberry Pi Models,351,RPI |
| 353,Raspberry Pi Zero,352,RPI |
| 354,Raspberry Pi 4,352,RPI |
| 355,Raspberry Pi 5,352,RPI |
| 356,Raspberry Pi 500,355,RPI |
| 357,Raspberry Pi OS,351|15,RPI |
| 358,Pi Imager,357,RPI |
| 359,SD Card Setup,358,RPI |
| 360,Pi First Boot,359,RPI |
| 361,Raspi-Config,360,RPI |
| 362,Pi Desktop,360,RPI |
| 363,Pi Terminal,24|360,RPI |
| 364,Pi GPIO Header,351,RPI |
| 365,GPIO Pins,364,RPI |
| 366,GPIO Voltage,365,RPI |
| 367,GPIO Ground Pins,365,RPI |
| 368,GPIO Power Pins,365,RPI |
| 369,GPIO Data Pins,365,RPI |
| 370,Pi Camera Module,351,RPI |
| 371,Pi USB Ports,351|328,RPI |
| 372,Pi HDMI Ports,351|497,RPI |
| 373,Pi Ethernet Port,351|246,RPI |
| 374,Pi WiFi,351|269,RPI |
| 375,Pi Bluetooth,351,RPI |
| 376,GPIO Programming,365,RPI |
| 377,GPIO Input,376,RPI |
| 378,GPIO Output,376,RPI |
| 379,Digital Signals,376,RPI |
| 380,PWM Signals,376,RPI |
| 381,LED Control,378|380,RPI |
| 382,LED Strip,381,RPI |
| 383,NeoPixel LEDs,382,RPI |
| 384,Button Input,377,RPI |
| 385,Sensor Reading,377,RPI |
| 386,Temperature Sensor,385,RPI |
| 387,Motion Sensor,385,RPI |
| 388,Light Sensor,385,RPI |
| 389,Motor Control,378|380,RPI |
| 390,DC Motors,389,RPI |
| 391,Servo Motors,389,RPI |
| 392,Stepper Motors,389,RPI |
| 393,Motor Drivers,389,RPI |
| 394,External Power,368|389,RPI |
| 395,Current Monitoring,394,RPI |
| 396,Internet of Things,246|351,RPI |
| 397,IoT Sensors,385|396,RPI |
| 398,IoT Protocols,396,RPI |
| 399,MQTT Protocol,398,RPI |
| 400,Home Automation,396,RPI |
| 401,Smart Home Hub,400,RPI |
| 402,Home Monitoring,400,RPI |
| 403,Temperature Logging,386|402,RPI |
| 404,Security Cameras,370|402,RPI |
| 405,Motion Detection,387|402,RPI |
| 406,Remote Access,261|400,RPI |
| 407,Web Dashboard,400,RPI |
| 408,Data Logging,402,RPI |
| 409,Time Series Data,408,RPI |
| 410,Alerts and Notifications,402,RPI |
| 411,Home Assistant,400,RPI |
| 412,Node-RED,400,RPI |
| 413,IFTTT Integration,400,RPI |
| 414,Voice Control,400,RPI |
| 415,Automation Scripts,310|400,RPI |
| 416,Cloud Computing,246,CLOUD |
| 417,Virtual Machines,1|416,CLOUD |
| 418,Cloud Providers,416,CLOUD |
| 419,AWS Basics,418,CLOUD |
| 420,Cloud Linux Instances,417|419,CLOUD |
| 421,SSH to Cloud,261|420,CLOUD |
| 422,Docker,416,CLOUD |
| 423,Docker Images,422,CLOUD |
| 424,Docker Containers,422|423,CLOUD |
| 425,Docker Commands,422,CLOUD |
| 426,Docker Run,424|425,CLOUD |
| 427,Docker Build,423|425,CLOUD |
| 428,Dockerfile,427,CLOUD |
| 429,Docker Compose,424,CLOUD |
| 430,Container Networking,424|246,CLOUD |
| 431,Container Volumes,424|316,CLOUD |
| 432,Terraform Basics,416,CLOUD |
| 433,Infrastructure as Code,432,CLOUD |
| 434,Terraform Providers,432,CLOUD |
| 435,Terraform Resources,432,CLOUD |
| 436,Cloud Deployment,420|432,CLOUD |
| 437,Container Registry,423,CLOUD |
| 438,Microservices,424,CLOUD |
| 439,Cloud Security,416|466,CLOUD |
| 440,Cost Management,416,CLOUD |
| 441,Version Control,10,DEV |
| 442,Git Basics,441,DEV |
| 443,Git Init,442,DEV |
| 444,Git Clone,442,DEV |
| 445,Git Add,442,DEV |
| 446,Git Commit,445,DEV |
| 447,Git Push,446,DEV |
| 448,Git Pull,442,DEV |
| 449,Git Branch,442,DEV |
| 450,Git Merge,449,DEV |
| 451,GitHub,441,DEV |
| 452,GitHub Repositories,451,DEV |
| 453,GitHub SSH Keys,262|451,DEV |
| 454,Python on Linux,15,DEV |
| 455,Python3 Command,454,DEV |
| 456,Pip Package Manager,454,DEV |
| 457,Virtual Environments,454,DEV |
| 458,Venv Module,457,DEV |
| 459,Conda Environment,457,DEV |
| 460,VSCode on Linux,166,DEV |
| 461,Thonny IDE,454,DEV |
| 462,Code Editors,166,DEV |
| 463,Debugging Tools,201,DEV |
| 464,GDB Debugger,463,DEV |
| 465,Print Debugging,463,DEV |
| 466,Linux Security,1,NET |
| 467,User Authentication,123|466,NET |
| 468,Password Security,467,NET |
| 469,SSH Security,260|466,NET |
| 470,Key-Based Auth,262|469,NET |
| 471,Firewall Rules,267,NET |
| 472,Port Security,268|466,NET |
| 473,File Encryption,466,NET |
| 474,GPG Encryption,473,NET |
| 475,Secure File Transfer,264|466,NET |
| 476,Security Updates,245|466,NET |
| 477,Vulnerability Scanning,466,NET |
| 478,Log Files,67|466,NET |
| 479,Audit Logs,478,NET |
| 480,Security Best Practices,466,NET |
| 481,System Administration,1,ADMIN |
| 482,User Management,123|481,ADMIN |
| 483,Useradd Command,482,ADMIN |
| 484,Usermod Command,482,ADMIN |
| 485,Userdel Command,482,ADMIN |
| 486,Group Management,127|481,ADMIN |
| 487,Password Management,468,ADMIN |
| 488,Passwd Command,487,ADMIN |
| 489,Shutdown Command,481,ADMIN |
| 490,Reboot Command,489,ADMIN |
| 491,System Services,481,ADMIN |
| 492,Systemctl Command,491,ADMIN |
| 493,Service Status,492,ADMIN |
| 494,Service Start Stop,492,ADMIN |
| 495,Boot Process,481,ADMIN |
| 496,Display Configuration,1,ADMIN |
| 497,HDMI Output,496,ADMIN |
| 498,Multiple Displays,496,ADMIN |
| 499,Display Resolution,496,ADMIN |
| 500,Screen Command,24,ADMIN |
| 501,Tmux Multiplexer,500,ADMIN |
| 502,Audio Configuration,1,ADMIN |
| 503,ALSA Audio,502,ADMIN |
| 504,PulseAudio,502,ADMIN |
| 505,Volume Control,502,ADMIN |
| 506,Audio Output,502,ADMIN |
| 507,Bluetooth Audio,375|502,ADMIN |
| 508,USB Audio,502,ADMIN |
| 509,Sound Testing,502,ADMIN |
| 510,Audio Troubleshooting,502,ADMIN |
| 511,Terminal Customization,24|181,ADMIN |
| 512,Custom Prompts,26|511,ADMIN |
| 513,PS1 Variable,186|512,ADMIN |
| 514,Terminal Colors,511,ADMIN |
| 515,ANSI Color Codes,514,ADMIN |
| 516,Neofetch,511,ADMIN |
| 517,Cowsay,27,ADMIN |
| 518,Figlet,27,ADMIN |
| 519,Sl Command,27,ADMIN |
| 520,Linux Easter Eggs,27,ADMIN |
| 521,Final Projects,310,CAP |
| 522,Web Server Setup,521,CAP |
| 523,Nginx Server,522,CAP |
| 524,Apache Server,522,CAP |
| 525,Game Server,521,CAP |
| 526,Minecraft Server,525,CAP |
| 527,Media Server,521,CAP |
| 528,Plex Server,527,CAP |
| 529,Jellyfin Server,527,CAP |
| 530,Pi-Hole Ad Blocker,249|521,CAP |
| 531,DNS Server,249|521,CAP |
| 532,VPN Server,521,CAP |
| 533,WireGuard VPN,532,CAP |
| 534,Retro Gaming,521,CAP |
| 535,RetroPie,351|534,CAP |
| 536,Network Storage,521,CAP |
| 537,NAS Server,536,CAP |
| 538,Backup Server,521|265,CAP |
| 539,Monitoring Dashboard,336|521,CAP |
| 540,Portfolio Project,521,CAP |
| 541,Linux Careers,15,CAP |
| 542,System Administrator,481|541,CAP |
| 543,DevOps Engineer,422|432|541,CAP |
| 544,Network Administrator,246|541,CAP |
| 545,Cloud Engineer,416|541,CAP |
| 546,Linux Certifications,541,CAP |
| 547,Linux in Space,541,CAP |
| 548,Linux in Cars,541,CAP |
| 549,C vs Rust,6,CAP |
| 550,Future of Linux,13,CAP |
|
|
