Linux随笔

lsblk
fdisk /dev/sdb
mkfx.xfs /dev/sdb1
mkfx.xfs /dev/sdb1
mkfx.xfs /dev/sdb2
mkfx.xfs /dev/sdb3
mount /dev/sdb1 /mnt/testing1
mount /dev/sdb2 /mnt/testing2
lsblk
reboot
vi /etc/fstab
blkid
:wq!
:wq!
:wq!
:wq!
mount -a
lsblk
lsblk
df -Th
df -Th
cd /tmp/
rm -rf *
touch 1.txt
ls
find / -name “1.txt”
fing / -size +20M -a -size -30M
dd if=/dev/zero of=/tmp/aa.txt bs=5M count=2
dd if=/dev/zero of=/tmp/aa.txt bs=4M count=2