tar -cf ILoveHomework.tar Homework3
Comments:
* The c tells tar to create a new tar file
* The f tells tar to name it ILoveHomework.tar
* You have to supply the .tar extension in the command.
This command creates a new file in the parent directory named ILoveHomework.tar (of course, you may call it anything you wish). When this file is untarred, the Homework3 directory and its contents are automatically recreated.
Taken from somewhere…
So I couldn’t figure out why I kept going over the disk quota at the CS computers. I had about 300mb of storage and no matter what programs I removed, I couldn’t seem to stay under the quota. In fact, I removed everything and still I was taking up 297/300 mb. So what was taking up space? something called ./ccache . It’s a program to help speed up compilation of programs. This is good except the space limits were not set to be helpful. So here’s some important commands:
Disk Usage of all files:
$du -ah
Summary of disk usage
$du -sh
Ccache
set max size to 100mb
$ccache -M 100M
clear ccache
$ccache -C
clean up ccache
$ccache -c
To find the kernel version type into the command prompt:
uname -r
If having problems compiling previously working code, maybe the computer I’m working on is an x86 computer. (like pc 31) Best to switch computers to a regular format. (like pc 1, 10)
After SSH-ing into the campus computers, can look at other users on the system
ssh username@pc10.cs.ucdavis.edu
rwho
// lists all users on the csif machines
who pc 9
// lists all users on pc 9
who
// lists all users on current pc
write person
// must ssh to same computer as person, then writes stuff to their cmd prompt.