GNU/Linux

Use the man command to read more about any of the following commands.

For example, you can read more about the file command by running man file.

Misc commands

# Discover a files type (text, executable, etc)
file /bin/bash

# Create Tar Gzip archive
tar -cvzf archive.tar.gz /path/to/folder/

# scan network for hosts
sudo nmap -sS -O -v 192.168.0/24

# View Manual Page for Executable Utility
man cp

# Search for Manuals by Keyword
man -k directories

# view calendar
cal

grep

# reveal 10 lines before, and 20 lines after matching line for context
grep -B10 -A20 'HTTP 404' /path/to/file

top

# view running processes, including threads
top -H

sudo

# list the sudo privileges for the current user
sudo -l

tmux

Commands

# Create a named session
tmux new -s session_name

# List sessions
tmux list-sessions
tmux ls

# Attach to a session
tmux attach -t session_name

# List info
tmux info

# List tmux commands
tmux list-commands

# List configured key bindings and commands
tmux list-keys

Key Bindings

CTRL + B (the “PREFIX”)
PREFIX % - Split panes vertically
PREFIX " - Split panes horizontally
PREFIX arrow_key - Move to another pane
PREFIX + arrow_key - Hold the prefix while pressing to resize pane
PREFIX z - Toggle between pane and fullscreen
PREFIX c - Open a new window
PREFIX number_key - Switch to a window by number
PREFIX l - Toggle between current and last window
PREFIX d - Detach from session