Command-Line Tools & Utilities Cheatsheet | Cheat Sheets Hero

Catalog / Command-Line Tools & Utilities Cheatsheet

File Management

Basic Operations

`ls`	List directory contents.
`pwd`	Print working directory.
`cd <directory>`	Change directory.
`mkdir <directory>`	Create a new directory.
`rm <file>`	Remove a file.
`rmdir <directory>`	Remove an empty directory.
`cp <source> <destination>`	Copy a file or directory.
`mv <source> <destination>`	Move or rename a file or directory.
`touch <file>`	Create an empty file or update timestamp.

Advanced File Operations

`find <directory> -name <pattern>`	Find files matching a pattern.
`grep <pattern> <file>`	Search for a pattern in a file.
`head <file>`	Display the first few lines of a file.
`tail <file>`	Display the last few lines of a file.
`wc <file>`	Count words, lines, and bytes in a file.
`chmod <permissions> <file>`	Change file permissions.
`chown <user>:<group> <file>`	Change file owner and group.
`tar -czvf <archive_name>.tar.gz <directory>`	Compress a directory into a tar.gz archive.
`tar -xzvf <archive_name>.tar.gz`	Extract a tar.gz archive.

Process Management

Process Information

`ps`	Display a snapshot of current processes.
`top`	Display dynamic real-time view of running processes.
`htop`	Interactive process viewer.
`pidof <process_name>`	Find the process ID of a running process.
`pgrep <pattern>`	Find processes by name or other attributes.
`pstree`	Display a tree of processes.

Process Control

`kill <PID>`	Terminate a process.
`kill -9 <PID>`	Forcefully terminate a process (SIGKILL).
`pkill <pattern>`	Kill processes by name or other attributes.
`nohup <command> &`	Run a command immune to hangups, with output to nohup.out.
`bg`	Move a process to the background.
`fg`	Move a process to the foreground.
`jobs`	List active jobs.

Networking

Network Information

`ifconfig`	Display network interface configuration.
`ip addr`	Display IP addresses.
`netstat -tulnp`	Display listening ports and associated processes.
`ss -tulnp`	Another utility to display socket statistics.
`ping <host>`	Test network connectivity.
`traceroute <host>`	Trace the route packets take to a host.
`dig <domain>`	DNS lookup utility.
`nslookup <domain>`	Query DNS servers to obtain domain name or IP address mapping.

Network Tools

`curl <URL>`	Transfer data from or to a server.
`wget <URL>`	Download files from the web.
`ssh <user>@<host>`	Secure Shell client for remote login.
`scp <source> <destination>`	Securely copy files between hosts.
`nc -l -p <port>`	Netcat listener on a port.
`nc <host> <port>`	Netcat client connecting to a host and port.

System Information

Hardware Information

`lscpu`	Display CPU architecture information.
`lsblk`	List block devices.
`lspci`	List PCI devices.
`lsusb`	List USB devices.
`free -m`	Display memory usage.

System Status

`uname -a`	Display system information.
`uptime`	Show how long the system has been running.
`df -h`	Display disk space usage.
`du -sh <directory>`	Display the disk usage of a directory.
`w`	Show who is logged on and what they are doing.
`last`	Show listing of last logged in users.
`date`	Display the current date and time.

Details

Command-Line & Shell / Tools & Utilities

March 03, 2025 01:01

command-line

linux

shell

tools

utilities