Linux Man Pages Online — PDF & HTML for All Commands

🐚 Shell & Core Utilities

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Essential shell interpreters and core Linux utilities available on Ubuntu 26.04 LTS.

bash zsh sh dash fish ksh tcsh csh

📁 File & Directory Management

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Commands to navigate, list, copy, move, and manage files and directories.

ls ll cp mv rm mkdir rmdir find locate pwd cd tree du df stat file

📝 Text Processing

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Powerful text search, filtering, and transformation tools.

grep awk sed cut sort uniq wc tr head tail cat tac less more diff patch

✏️ File Viewing & Editing

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Text editors and file viewers for the Linux command line.

vi vim nano emacs gedit pico ed

🗜️ Archiving & Compression

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Tools for creating and extracting compressed archives.

tar gzip gunzip bzip2 bunzip2 xz zip unzip 7z zcat zless

🌐 Networking & Internet

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Network diagnostics, file transfer, and connectivity tools.

curl wget ssh scp sftp rsync ping traceroute netstat ss nmap dig nslookup host ifconfig ip nc telnet ftp

⚙️ Process & System Management

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Monitor and control running processes and system resources.

ps top htop kill killall nice renice jobs bg fg nohup tmux watch uptime free vmstat iostat lsof strace

📅 Date, Time & Calendar

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Commands for displaying and working with date, time, and calendar.

date cal ncal timedatectl hwclock sleep time timeout at cron crontab

🐍 Python Ecosystem

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Python interpreter, package manager, and related tools.

python python3 python3.12 pip pip3 pydoc pydoc3 idle py_compile

☕ Java Ecosystem

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Java development kit tools for compiling, running, and packaging Java applications.

java javac jar javadoc javap jshell jps jstat jmap jstack keytool

🐹 Go Programming Language

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Go language build tools, formatter, and module management commands.

go-build go-fmt go-install go-run go-test go-get go-mod go-generate go-clean go-doc go-env go-list go-vet gofmt

🟢 Node.js Ecosystem

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JavaScript runtime and package management tools for Node.js development.

node npm npx yarn nodejs

💎 Ruby Ecosystem

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Ruby interpreter, gem package manager, and related development tools.

ruby gem irb erb rdoc ri rake bundle

🐪 Perl

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Perl scripting language interpreter and utilities.

perl perl5 perldoc cpan prove

⚡ C & C++ Development

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Compilers, debuggers, and build tools for C and C++ programming.

gcc g++ cc c++ gdb make cmake ld as ar nm objdump strip valgrind

🗄️ Database Tools

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Command-line clients and utilities for MySQL, PostgreSQL, SQLite and more.

mysql mysqldump mysqladmin mysqlcheck psql pg_dump pg_restore createdb dropdb sqlite3 redis-cli mongosh

📜 Shell Scripting Utilities

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Tools commonly used in BASH shell scripts and automation.

echo printf read test expr let seq xargs tee env export source alias basename dirname realpath which type whereis

🖥️ System Information

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Commands to inspect hardware, OS, and system configuration.

uname hostname hostnamectl lscpu lsmem lsblk lshw lspci lsusb dmesg journalctl sysctl arch nproc sensors

📦 Package Management

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APT and DPKG tools for installing and managing software packages on Ubuntu/Debian.

apt apt-get apt-cache dpkg dpkg-query snap flatpak pip pip3 gem npm cargo

🔐 Security & Encryption

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Tools for encryption, hashing, certificates, and secure communications.

openssl gpg ssh-keygen ssh-keyscan md5sum sha256sum sha512sum base64 xxd od