Linux Command Line Cheat Sheet
Hey, My name is Manish Maurya and I am a DevOps⚙️ Engineer who is deeply committed to improving the efficiency and effectiveness of software development and deployment processes. My extensive knowledge of cloud computing, containerization, and automation enables me to drive innovation and deliver high-quality results. I remain dedicated to continuously expanding my skills by staying up-to-date with the latest DevOps tools and methodologies, and I'm always looking for new ways to optimize workflows and improve software delivery.🤖 :)
cd — Change directory
ls — List directory contents
pwd — Print working directory
cat — Concatenate and display files
touch — Create an empty file
cp — Copy files and directories
mv — Move or rename files and directories
rm — Remove files and directories
mkdir — Create a new directory
rmdir — Remove an empty directory
cut — Cut out sections of a file
gzip — Compress or decompress files using gzip
gunzip — Decompress files compressed with gzip
find — Find files and directories matching a pattern
grep — Search for a pattern in a file
awk — Pattern scanning and processing language
sed — Stream editor for filtering and transforming text
head — Display the first few lines of a file
tail — Display the last few lines of a file
sort — Sort lines of a file
uniq — Remove duplicate lines from a file
wc — Count lines, words, and characters in a file
diff — Compare two files line by line
patch — Apply a patch to a file
chmod — Change permissions of files and directories
chown — Change the owner of a file or directory
chgrp — Change the group ownership of a file or directory
ps — List running processes
top — Display system resource usage and process information
kill — Send a signal to a process to terminate it
du — Display disk usage of files and directories
df — Display free disk space on the file system
mount — Mount a file system
umount — Unmount a file system
ping — Test connectivity to a network host
ssh — Secure shell remote login and command execution
scp — Secure copy files between hosts
rsync — Remote file and directory synchronization
curl — Transfer data from or to a server using various protocols
wget — Retrieve files from the web using various protocols
ftp — File Transfer Protocol client
sftp — Secure File Transfer Protocol client
telnet — Telnet client
nslookup — DNS lookup utility
dig — DNS lookup utility
netstat — Display network connections and statistics
ifconfig — Configure network interfaces
route — Display or modify the routing table
iptables — Firewall and packet filtering utility
hostname — Display or set the hostname of the system
date — Display or set the system date and time
timedatectl — Control the system date and time
uname — Display system information
whoami — Display the current user ID
id — Display user and group information
su — Switch user to become another user
sudo — Execute a command with superuser privileges
passwd — Change the password of a user account
useradd — Create a new user account
userdel — Delete a user account
usermod — Modify a user account
groupadd — Create a new group
groupdel — Delete a group
groupmod — Modify a group
finger — Display information about users on the system
last — Display information about recent logins
history — Display command history
echo — Print a message to the terminal
printf — Format and print data
lshw — Displays hardware information
lspci — Displays information about PCI buses and devices.
lsusb — Displays information about USB buses and devices.
hwinfo — Displays detailed hardware information.
free — Displays memory usage.
vmstat — Displays system memory, processor, and I/O statistics.
iostat — Displays CPU and disk I/O statistics.
uptime — Displays system uptime and load averages.
journalctl — Displays the system journal.
dmesg — Displays the kernel ring buffer.
crontab — Schedules recurring tasks.
at — Schedules a one-time task.
service — Manages system services.
systemctl — Controls system services in systemd-based distributions.
traceroute — Traces the network path to a remote host.
bzip2 — Compresses files using the bzip2 algorithm.
unzip — Extracts files from a ZIP archive.
tee — Redirect output to multiple files
chroot — Change the root directory for a process
ps aux — Display information about all running processes
less — Display file contents in a paginated format
more — Display file contents one page at a time
ln — Create links between files
realpath — Print the resolved absolute path of a file
watch — Execute a command periodically and display the output
cal — Display a calendar
tar -xzvf — Extract files from a compressed archive
tar -czvf — Create a compressed archive
whereis — Locate the binary, source, and manual page files for a command
locate — Find files by name
which — Display the full path to an executable
