Datasets:
File size: 15,450 Bytes
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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
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