آراز غلامی

Debian/Ubuntu Only:

sudo apt update | check for update
sudo apt upgrade | will upgrade packages if update available

sudo apt install [appname]
sudo apt remove [appname]

sudo dpkg -i file.deb

sudo apt autoclean && sudo apt autoremove | will clean unnecessary packages

Basic:

sudo [command] | execute command with root privileges
use Tab for command autocompletion
Ctrl+C | break and exit from currently running process/command
clear | will clear current terminal content
source filename | reload file (usually for linux config files)
alias a=“clear” | make your own command and shortcuts (a = clear)
Note: need to put aliasses in ~/.bashrc for permanent effect [need to refresh with 'source ~/.bashrc' command]

| (pipe) | put a command's output into other command input
> | redirect a command output into a file
>> | append to end of file (e.g: echo alias c="clear" >> ~/.bash_aliasses)
&& | execute two (or more) commands together (e.g: cd ~ && clear)

Commands:

pdw | where are your current location

ls -lah | list all files with details in current directory

cd /path/to/directory | move to directory
cd- | move to previous directory
cd .. | Move to back
cd ~ | Move to home directory

touch filename | make new file
cp a location/filename | copy to other location
mv a location/filename | move (cut/paste) to another place
echo STRING >> file | make new file and add string to end of it

cat filename | show content of file
cat a b > c | join a and b and put into c

mkdir | make new directory

rm filename | remove file
rm -r directory | remove directory

locate filename | find file
locate -i STRING | search for string in all files
find LOCATION -name NAME | find name in location

grep string file | find string in file

du -m filename | get file size in MB

head -n 5 file | show first 5 lines of file
tail -n 5 file | show last 5 lines of file, add -f for realtime monitoring. also 'tailf file'

diff a b | show diffrence between files

zip b.zip a | zip b into a, aslo -r for directory
tar -cvf a.tar b | make tar archive with a name from b location. more: https://www.tecmint.com/18-tar-command-examples-in-linux/

chown user file | change owner of file to user
chmod 777 file | change permission of file. more: https://www.computerhope.com/unix/uchmod.htm
chmod +x filename | Make a file executable

top | task manager
ps ax | grep APPNAME | find pid of APP
kill pid | kill the app
pkill appname | kill app without id

history | list all commands that used
which [command] | where is command location

passwd a | change current user pass to a
man [command] | show help and manual for command