**Linux SSD Performance**

a) Add to /etc/fstab \\
<code bash>noatime,nobarrier,discard</code>

b) With mount command
<code bash>mount -o noatime,nobarrier,discard /dev/sdX /mnt/gentoo</code>

**HDD Speed Test**

a) Start in a bash \\
<code bash>hdparm -tT /dev/sdX</code>

**HDD Full Copy with files rights**

a) Copy a whole partition with files rights \\
<code bash>cp -apxfRv * /media/system/</code>

**HDD Label**
<code bash>e2label /dev/sdX new-label-name-here</code>

**Swap Show on/off**
<code bash>swapon -s</code>

**Debug Filesystem**
<code bash>debugfs /dev/sdX</code>

**Create ext4 Partition**
<code bash>mkfs.ext4</code>

**Check ext4 Partition**
<code bash>fsck.ext4</code>