Command Reference
Your comprehensive library of CLI commands with examples, options, and best practices.
🔥 Most Popular
ls -laList all files with details
grep -r "pattern" .Recursive search
find . -name "*.js"Find files by name
chmod 755 script.shMake file executable
tar -xzf file.tar.gzExtract archive
Browse by Category
Text Processing
(8 commands)grepSearch text using patterns
sedStream editor for text transformation
awkPattern scanning and processing
cutRemove sections from lines
sortSort lines of text
uniqReport or filter repeated lines
trTranslate or delete characters
wcWord, line, and byte count
File Management
(8 commands)lsList directory contents
cpCopy files and directories
mvMove or rename files
rmRemove files or directories
mkdirCreate directories
findSearch for files in directories
chmodChange file permissions
chownChange file ownership
Compression & Archives
(6 commands)tarArchive files
gzipCompress files
zipPackage and compress files
unzipExtract compressed files
bzip2Block-sorting file compressor
xzCompress files using LZMA
Networking
(8 commands)curlTransfer data with URLs
wgetDownload files from web
sshSecure shell remote login
scpSecure copy over network
pingTest network connectivity
netstatNetwork statistics
digDNS lookup utility
ncNetcat networking utility
System Administration
(8 commands)psReport process status
topDisplay running processes
killTerminate processes
dfDisk space usage
duEstimate file space usage
freeMemory usage info
systemctlControl system services
journalctlQuery system journal
User & Permissions
(6 commands)sudoExecute as superuser
suSwitch user
whoamiPrint current user
idPrint user and group IDs
useraddCreate new user
passwdChange user password
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