VMware(Plus 1)

uname

uname -r

cat /proc/cupinfo

cat /pro/meminfo

data

cal 2017

# data -s 2017-09-27

#data -s 09:10:30

df -lh

du -sh dir

#fdisk -l

(conpare disk) # fsck dir

mount(cat)

mount newdir

unmount olddir

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free

free-m

top(process)

ctrl+c(exit)

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cd/etc/sysconfig/network-scripts/

ls

ping 0.0.0.0