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Linux command list

The WebTerm terminal implements these commands. Each one runs in the browser and cannot touch the files on your machine. Commands worth learning first are marked ★, and the ones you meet next ☆.

Files and directories

  • corelsList directory contents
  • corecdChange directory
  • corepwdPrint working directory
  • corecatDisplay file contents
  • corelessView file page by page
  • moreView file page by page (simple)
  • corecpCopy files or directories
  • coremvMove or rename files/directories
  • corermRemove files or directories
  • rmdirRemove empty directories
  • coremkdirCreate directory
  • coretouchCreate file or update timestamp
  • lnCreate a symbolic link (-s; hard links are not supported)
  • corefindSearch for files and directories
  • locateFind files quickly
  • learn nexttreeDisplay directory tree
  • statDisplay file detailed information
  • fileDetermine file type
  • basenameStrip the directory part from a path
  • dirnamePrint the directory part of a path
  • truncateShrink or extend a file to a given size
  • ddCopy and convert files

Text processing

  • coregrepSearch for pattern in files
  • sedStream editor for text processing
  • awkPattern scanning and processing
  • learn nextsortSort lines of text files
  • uniqRemove duplicate adjacent lines
  • learn nextheadDisplay first part of file
  • learn nexttailDisplay last part of file
  • learn nextwcCount lines, words, and bytes
  • cutExtract fields
  • trTranslate or delete characters
  • diffShow differences between two files
  • teeRead from stdin and write to stdout and files
  • learn nextechoOutput text
  • printfPrint formatted output
  • seqGenerate sequence of numbers
  • xargsBuild and execute commands

Permissions and users

  • learn nextchmodChange file permissions
  • learn nextchownChange file owner and group
  • chgrpChange file group
  • umaskSet default file permission mask
  • whoamiPrint current username
  • idPrint user and group IDs
  • groupsShow the groups a user belongs to
  • suSwitch user
  • sudoRun a command as another user
  • passwdChange a password
  • useraddAdd a user
  • userdelDelete a user
  • usermodModify a user account
  • groupaddAdd a group
  • groupdelDelete a group
  • getentLook up entries in name service databases

Processes and system

  • learn nextpsDisplay process status
  • topReal-time process monitoring
  • learn nextkillSend signal to process
  • jobsList jobs
  • bgRun job in background
  • fgBring job to foreground
  • learn nextdfShow disk free space
  • learn nextduShow disk usage
  • freeShow memory usage
  • lsofList files opened by processes
  • unamePrint system information
  • hostnamePrint hostname
  • dateDisplay/set date and time
  • sleepWait for a given time
  • watchExecute command periodically
  • envShow environment variables
  • printenvPrint environment variables
  • systemctlSystem service management
  • journalctlShow systemd journal logs
  • crontabSchedule periodic tasks
  • mountMount filesystem

Archives and compression

  • learn nexttarCreate and extract archives
  • gzipCompress with gzip
  • gunzipDecompress gzip files
  • bzip2Compress with bzip2
  • bunzip2Decompress bzip2 files
  • zipCreate zip archive
  • unzipExtract zip archive

Networking

  • curlURL transfer
  • pingCheck network reachability
  • learn nextsshSecure shell connection
  • scpSecure copy
  • rsyncRemote synchronization
  • ssh-keygenGenerate an SSH key pair
  • ssh-copy-idInstall a public key on a remote server
  • ipShow and manage network configuration
  • nginxWeb server (configuration test)

Editors

  • learn nextvimText editor
  • viText editor

Version control

  • learn nextgitVersion control system

Databases

  • psqlPostgreSQL interactive terminal

Shell builtins and others

  • .Read and run a script in the current shell
  • :Do nothing (exit code 0)
  • sourceExecute script in current shell
  • aliasSet alias
  • exportExport environment variables
  • setSet shell options
  • unsetRemove variables
  • shiftShift positional parameters
  • testEvaluate condition
  • trueDo nothing, successfully (exit code 0)
  • falseDo nothing, unsuccessfully (exit code 1)
  • breakExit a loop
  • continueSkip to the next iteration of a loop
  • returnReturn from a function
  • exitExit shell
  • historyShow command history
  • clearClear screen
  • learn nextwhichShow command path
  • whereisLocate binary, source, and manual
  • learn nextmanShow manual
  • helpShow help
  • aptPackage manager
  • apt-getPackage manager (apt-get)
  • webtermShow information about this environment (version and copyright)

AI agents and TUI tools

  • claudeClaude Code (coding agent; WebTerm runs a stand-in)
  • codexOpenAI Codex CLI (coding agent; WebTerm runs a stand-in)
  • geminiGemini CLI (coding agent; WebTerm runs a stand-in)
  • grokGrok Build (xAI coding agent; WebTerm runs a stand-in)
  • cursor-agentCursor CLI (Cursor coding agent; WebTerm runs a stand-in)
  • agentAlias for the Cursor CLI (same as cursor-agent)
  • herdrTerminal workspace manager for coding agents