Linux Series Part 2: File management
Hello readers, Today in linux series part 2, I am going to explain different file system in linux and file management related commands.
File System in linux
EXT — extended file system
EXT1 — older version, No longer used
EXT2- allows users to manage 2TB data.
EXT3- upgraded version of EXT2
- Contains backward compatibility
- Drawback — does not support servers ,Does not support file recovery
EXT4- compatible for SSD
- Default file system in linux
JFS — can be used in place of EXT4 where stability is needed
Reiser FS — alternative of EXT3
XFS — developed for parralel I/O
- NASA uses this
Btrfs — used for fault tolerance
- Not good for production system
Swap file system — used for memory paging
File structure in linux
File management related commands:
Ls: List all file, folders
Ls -l: detailed information of all files
Ls –a: list out hidden file
Touch: create empty file
Mkdir: making directory
Rmdir: remove directory
Rm: remove file
Mv [source] [dest] : move file
Mv [file 1] [file 2] : rename file
Wc filename: list lines words characters in file
Find: search file
Locate: search file in all directories
Grep: searches pattern in particular file
Df –h: see space in system file
What is the difference between find and locate?
Ans: find commands search the file in current directory whereas locate command search the file in all directories.
