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21 Cards in this Set

  • Front
  • Back

supported filesystems



PC:ext2(flash and bootable ),ext3,ext4(ubuntu),XFS,Btfre,JFS,NTFS(windows)Flash:ubifs,JFFS2,YAFFSDatabase: By metadata Special Purpose: procfs, sysfs, tmpfs, debugfs,

/

root

/bin

binaries needed for OS

/boot

boot sector

/dev

drivers

etc

system configuration files

/home

each user has named account here

/lib

libary files similar to dll

/lost + found

orphaned files are here

/media

mount points

/mnt

old mount point

/opt

optional

/proc

Virtual file system

/sbin

superuser binaries

/usr

all user files

/usr/bin

exe files

/usr/lib

shared libaries

commands:





date,cal,info,df,free,pwd,cd,file,less,cp,mv,mkdir,rm,ln,apropas,type,man,which,whatis,alias,info,

man page


1


2


3


4


5


6


7


8



1=user commands


2= kernel calls


3=interface c libary


4=device nodes drivers


5= file formats


6=games/screensavers


7=miscellaneous


8=sys admin cmds

scripting cmds



cat sort uniq wc grep head tail tee

bit bucket

/dev/null :nothing with data