Ubuntu Commands for viewing hardware details

View Hard disk space
bacharya@bacharya:~$df -h

Filesystem Size Used Avail Use% Mounted on
/dev/sda3 185G 59G 118G 34% /
varrun 1.7G 124K 1.7G 1% /var/run
varlock 1.7G 0 1.7G 0% /var/lock
udev 1.7G 44K 1.7G 1% /dev
devshm 1.7G 336K 1.7G 1% /dev/shm
lrm 1.7G 40M 1.6G 3% /lib/modules/2.6.24-28-generic/volatile
/dev/sda1 464M 47M 393M 11% /boot
/dev/sda4 43G 190M 40G 1% /others


View memory details (in MB)

bacharya@bacharya:~$free -m
total used free shared buffers cached
Mem: 3286 3109 177 0 340 992
-/+ buffers/cache: 1776 1510
Swap: 3906 0 3906

View Processes

bacharya@bacharya:~$top

View processor details
bacharya@bacharya:~$ cat /proc/cpuinfo


processor : 0
vendor_id : GenuineIntel
cpu family : 15
model : 4
model name : Intel(R) Pentium(R) 4 CPU 2.80GHz
stepping : 9
cpu MHz : 2800.531
cache size : 1024 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 5
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc up pni monitor ds_cpl tm2 cid cx16 xtpr lahf_lm
bogomips : 5601.06