Basic commands - This is my list what can you add?

[jameswhite1979]

Guys,

I am brand new to Linux and Ubuntu this is my second day and I am starting to collect a list of basic commands:

su : Super User rights from within the terminal
sudo : super user run this command
ls : list directory contents
ls -lis : list directory content is list view
cd : change directory
cd /dirname : jump change a directory
apt-get install : gets app from web and installs
apt-get remove : uninstalls app
apt-get update : updates the DB
clear : clears screen
./filename : processes a install command
mkdir : creates a directory
chmod 777 dirname : resets access rights to directory
kill 999 : kills process at high level
reboot : reboots system
exit : exits from terminal or moves back a userlevel
make : comlies package code
make install : installs the compiled code
uname -r : gives you the kernel version

Can you add to this list and have I made any mistakes. Go easy this is all very new for me!

[NoTiG]

you can give someone a fish, or teach them to fish ...

so basically i think its pointless to teach all the different options for every command. The main thing is to learn how to figure out commands yourself. A couple of good pointers

man ls # will give you information about ls

also by pressing tab you can auto complete a command or see all available possibilities ... so if you type gre ... and cant remember that what you need is grep, then just hit tab a couple of times.

Also the history helps remember commands you have used before.

[PatrickMay16]

tar -xf

Extracts the contents of most tar.** archives.

apt-cache search ****

Searches the apt database for packages with names or descriptions similar to ****

apt-cache show ****

Shows information on package ****, for example "apt-cache show unzip".

df -h

Shows mounted filesystems and space usage infomation for them.

du -hs /path/to/directory/

Shows the size of the contents of the specified directory.


Let me know if this helped. I could list some more if you'd like.

[yasoumalaka]

I'll join you on this mission. I was thinking of doing the same thing. Maybe someone could go through all the different sudos. for example sudo sudo -s gksudo su and so on. Thanks to anybody that does it would be a big help. Hopefully they get posted to the top.

[henriquemaia]

Having an & at the end of the command line sends this process to the background (you regain the prompt to type more commands). If you type a command followed by && and then another command (i.e. $command1 && command2) the second command will only be started when the first one is finished

[dannyboy79]

su : Super User rights from within the terminal
sudo : super user run this command
ls : list directory contents
ls -lis : list directory content is list view
cd : change directory
cd /dirname : jump change a directory
apt-get install : gets app from web and installs [NOTE from dannyboy: I would use aptitude, it keeps track of dependencies and when you uninstall stuff it takes the dependencies with it, apt-get DOESN'T do this!]
apt-get remove : uninstalls app [same here]
apt-get update : updates the DB [same here]
clear : clears screen
./filename : processes a install command
mkdir : creates a directory
chmod 777 dirname : resets access rights to directory [i don't know what you mean by resets access right, chomd will make the dir readable, writable, and executable i thought?]
kill 999 : kills process at high level
reboot : reboots system
exit : exits from terminal or moves back a userlevel
make : comlies package code
make install : installs the compiled code
uname -r : gives you the kernel version
dir : will list all directories within your current location
cat filenamehere : will display it's contents
pwd : will show you your current location (very important if you're usincli ftp)
cp oldfilename newfilename : copies a file
mv oldfile newfile : will overwrite the oldfile with the newfile
chown usernamehere dirnamehere : changes the dir owner to whoever you put
chgrp groupnamehere dirnamehere : changes the group who owns the dir

Thats it from me, you're best off reading a linux command website.

[anaconda]

su doesn't work in ubuntu!
instead we have to use:
sudo su

and if you have mkdir then you should also have rmdir to remove a directory..


Thanks for the && -didn't know it And just happen to need it!

[John.Michael.Kane]

This may help
An A-Z Index of the Linux BASH command line

Alphabetical Directory of Linux Commands

Linux Shortcuts and Commands:

[dannyboy79]

su doesn't work in ubuntu!
instead we have to use:
sudo su

You really should be more specific. I'll update the statement for you. su doesn't come enabled in Ubuntu by default, you need to set it up yourself. You would type 'sudo passwd' and when it asks you for a password, enter in a root password. now whenever you want to log in as root, you would hit su then the password you chose or you could simply login that way by entering root as the username and the password you chose.

[cacharreo]

http://www.debianhelp.co.uk/commands.htm