12.04 - Checking how much space is used on my computer - Ask Ubuntu

i'm using chromebook, doesn't have whole lot of memory (for reference, acer chromebook 11) , i've used crouton download linux, in form of ubuntu 12.04, start learning how use bash , ubuntu. have downloaded other packages, git, special version of vim found on github, various python packages, , such.

i'd know how information how memory being used on computer , packages taking space. i've looked around bit on site , couldn't find answers. appreciated. thanks!

task manager can give visual representation of resource use: htop

• $ sudo apt-get update
• $ sudo apt-get install htop
• $ htop

disk usage:

$ df -h

where disk space going?

$ du -h -d 1 (from root dir or /)

clear out downloaded packages no longer needed:

$ sudo apt-get clean

clear out packages no longer have download candidates:

$ sudo apt-get autoclean

remove unused packages:

$ sudo apt-get autoremove

check large log files:

$ sudo du -h /var/log

there other applications well. lot of people 1 called bleachbit. i'm pretty it's in ubuntu repos.