Linux Global Cheat Sheet (DRAFT) by BlackW61

uname -a	Show linux system info
uname -r	Show kernel info
uptime	Show current uptime
whoami	logged as (User)
finger user	Show info about user
date	Show the current date and time
hostname	Show system host name
hostname -i	Show the IP address of the host

df -h	Show disk usage human readable
du -h	Show dir usage human readable
du -sh	Show dir usage summarized
du -ah	Show files & dirs human readable
free -h	Show memory and swap usage

ps	Show currently active processes
ps aux | grep telnet	Find all process id relateted to telnet
kill pid	Kill process with mentioned pid id
killall proc	Kill all process named proc
pkill -u proces­sname	kill with proces­sname
pkill -9 -u USERNAME	Kill User session

pwd	Show current dir
cd dir	Change directory to dir
cd..	Go up a directory
mkdir dir	Create dir
mkdir -p foo/{b­ar,­lot­}/{­bam­,bim}	Creating subfolders
ls	List files and dirs
ls -la	List hidden files and dirs
ls -p	list files with indicators
ln -s /file /file	Create a symbolic link
less file	Outputs content of file moveable
cat text.txt	view text.txt
touch file	create a empty file
tail -f file	Follow content of output
gpg -c file	Encrypt file
gpg file.gpg	Decrypt file
strings	Extract text from binary files
diff file1 file2	Comparison 2 files
diff -s dir1 dir2	Comparison 2 dir
diff -uNr orgina­lfile correc­tedfile > file.diff	create Patch file

cp file1 file2	Copy file1 to file2
cp * /dir	Copy everything to /dir
cp -r dir /dir	Copy dir reccus­ively to dir with subfolders
cp -i fileA fileB	Prompted before overwrite to file
cp -l /file /file	Create a Hardlink

rm file	Remove file
srm file	Securly removes file
rm -f file	Force remove file
rm -r dir	Remove dir recusivley
rm -rf dir	Recusivley force remove dir

mv file1 file2	Rename file1 to file2
mv file1 file2 /dir	Move file1 and file2 to /dir
mv * /dir	Move everthing to /dir
mv -i file1 file2	prompt before overwrite