Disk learning

tune2fs/dumpe??
how to create swap ?
file system check (fsck)

du -sch #calculate disk usage provided folders/files
df -h #disk usage per filesystem
df -i #inode usage
format filesystem



#search
find/grep

pankaj@pankaj-HP-Pro-3330-MT:~$ find /home/pankaj -iname pk*.txt
/home/pankaj/pk123456.txt

pankaj@pankaj-HP-Pro-3330-MT:~$ grep 'Comment' . -ral
./.cache/mozilla/firefox/xdnjq710.default/startupCache/scriptCache.bin
./.cache/mozilla/firefox/xdnjq710.default/startupCache/scriptCache-child.bin
./.cache/mozilla/firefox/xdnjq710.default/startupCache/scriptCache-current.bin
./.cache/google-chrome/Default/Cache/73f7ce3719696c2e_0
./.cache/google-chrome/Default/Cache/4f720e2d5d524124_0
./.cache/google-chrome/Default/Cache/1fb23bf0bb8b8a51_0
./.cache/google-chrome/Default/Cache/1527307a66c99cd7_0
./.cache/google-chrome/Default/Cache/b610b0feda57bd22_0
./.cache/google-chrome/Default/Cache/0d301d4f58d220b9_0