Comparison

Practical Guide for Linux vs fortune | cowsay

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Practical Guide for Linux

A comprehensive reference guide for learning UNIX and Linux commands, designed for students and professionals. It covers fundamental concepts, file system navigation, process management, and advanced utilities with updated content for 2026.

Highlights
  • Covers fundamental UNIX/Linux commands
  • File system navigation and management
  • Process and job control
  • Text manipulation with sed and awk
  • File archiving and transfer
  • Updated content for 2026
  • Supports Air Print and Light/Dark modes
Features
Read full description

Best Seller UNIX/Linux Reference since 2010 for both students and working adults! Now, with updated content for 2026, Air Print and iOS Light and Dark modes. #1 Guide in Operating Systems > Unix / Linux #1 College OS Guide Making First Steps (passwd, su) Logging Out, Shell (exit, Ctrl-d) Special Characters (Ctrl-c, Ctrl-h, Ctrl-d) Metacharacters (?, *, []) Environment (env) How To Change Environment Variables (.profile, .login) Navigating The File System (absolute, relative paths) How To Use Paths I (pwd, cd) How To Use Paths II (cd ..) Files and Directories - Part I (ls, ls -l) Files and Directories - Part II(ls -al) Files and Directories - Part III (ls -R) Permissions - Part I (id) Permissions - Part II (rwx-) Permissions - Part III (how to read) Permissions - Part IV (chmod) Viewing Files (more, cat, head, tail) Searching in Files - Part I (grep options) Searching in Files - Part II (grep examples) Renaming Files (mv) Copying Files (cp) Deleting Files (rm) Links (ln) Compare Files (diff) Compare Directories (dircmp) Creating Directories (mkdir) Finding Files and Directories (find) Create and Edit Files With vi - Part I Create and Edit Files With vi - Part II (insert mode) Create and Edit Files With vi - Part III (searching) Create and Edit Files With vi - Part IV (editing) Create and Edit Files With vi - Part V (deleting) Create and Edit Files With vi - Part VI (saving) Create and Edit Files With vi - Part VII (line-edit mode) Printing Files (lp, lpr) Archiving Files (tar) Transferring Files Between Computers (nslookup, ping) Telnet FTP - Part I (connecting) FTP - Part II (transferring files) More UNIX Commands (uname, arch) Date and Time (date, cal) Find Out About Other Users - Part I (who) Find Out About Other Users - Part II (finger) History Disk Space (df, du, gzip, gunzip) Memory (free, uptime) Processes (Jobs) - Part I (ps) Processes (Jobs) - Part II (ps -ef, kill, fuser) Processes (Jobs) - Part III (at) Electronic Mail - Part I (elm) Electronic Mail - Part II (command mode) Advanced UNIX - Redirection Part I (>, >>) Advanced UNIX - Redirection Part II (|) Practical sed and awk - Part I (sed) Practical sed and awk - Part II (sed example) Practical sed and awk - Part III (sed example) Practical sed and awk - Part IV (awk) Practical sed and awk - Part V (awk example) The best way to learn UNIX and Linux for all. Designed for all devices, full support for Air Print.

About

fortune | cowsay

This app displays random quotes within a customizable ASCII cow cloud. You can personalize colors and ASCII art, then save or share your favorite quotes on social media.

Highlights
  • Random quote display
  • ASCII cow cloud
  • Customizable colors
  • Customizable ASCII art
  • Save quotes
  • Share quotes
Features
Read full description

fortune | cowsay displays random quotes in a talking cloud of an ASCII cow. Customize colors and ASCII arts. Quotes can be saved or shared on social networks. --------- https://www.haozhexu.me

Screenshots

Practical Guide for Linux4 screens
fortune | cowsay4 screens

Verdict

The call

The clearest difference is price: fortune | cowsay at Free against Practical Guide for Linux's $1.99. fortune | cowsay also leads on review sentiment (100% vs 56%) and iOS requirement (11.0 vs 15.6). Practical Guide for Linux's advantage is update cadence (every 10 months vs every 32 months). On rating, ratings volume, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

fortune | cowsay is free to download; Practical Guide for Linux costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Practical Guide for Linux against 5.0 for fortune | cowsay. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews are what separate them: 56% of Practical Guide for Linux's written reviews are positive against 100% of fortune | cowsay's.

UpkeepUpdate frequency

Practical Guide for Linux ships an update every 10 months, fortune | cowsay every 32 months. The most recent releases landed on September 24, 2026 and October 7, 2026 respectively.

Scorecard5 real differences · 5 level
Practical Guide for Linux versus fortune | cowsay: the parameters behind the verdict, then further details
ParameterPractical Guide for Linuxfortune | cowsay
Price$1.99Free — better
Rating5.0 (2 ratings)5.0 (1 ratings)
Positive reviews55.6% of reviews100.0% of reviews — better
Number of ratings2 — better1
Update frequencyEvery 10 months — betterEvery 32 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS15.611.0 — better
Further details — not scored
Size2 MB27 MB
Age rating4+9+
DeveloperEugene Khmelevsky Inc.HAOZHE XU

Customer experience

Practical Guide for Linux

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews9 reviews
Positive55.6%
Neutral0.0%
Negative44.4%

fortune | cowsay

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Practical Guide for Linux

No in-app purchases

None

fortune | cowsay

No in-app purchases

Questions

Is Practical Guide for Linux free?
Practical Guide for Linux costs $1.99, with no in-app purchases.
Is fortune | cowsay free?
fortune | cowsay is free to download, with no in-app purchases.
Which has better reviews, Practical Guide for Linux or fortune | cowsay?
Practical Guide for Linux and fortune | cowsay are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.
Do Practical Guide for Linux or fortune | cowsay have ads?
Neither Practical Guide for Linux nor fortune | cowsay shows ads.
Which is updated more often, Practical Guide for Linux or fortune | cowsay?
Practical Guide for Linux ships an update every 10 months, and fortune | cowsay every 32 months. Most recently, Practical Guide for Linux was updated on September 24, 2026 and fortune | cowsay on October 7, 2026.

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