Several methods of checking file size in Linux

stat command

    xanarry@ThinkPad:/$ stat ~/Downloads/jdk-8u60-linux-x64.tar.gz
    File: '/home/xanarry/Downloads/jdk-8u60-linux-x64.tar.gz'
     Size: 181238643 Blocks : 353984 IO Block: 4096 regular file
    Device: 808h/2056d Inode: 261742 Links: 1
    Access: (0666/-rw-rw-rw-) Uid: ( 1000/ xanarry) Gid: ( 1000/ xanarry)
    Access: 2017- 02-01 17:36:43.177892508 +0800
    Modify: 2015-10-02 12:43:29.853291000 +0800
    Change: 2016-12-26 23:33:34.619480450 +0800
    Birth: -wc


command

    wc -c filename parameter -c Represents statistical characters, because one character is one byte, so get the number of bytes

    xanarry@ThinkPad:/$ wc -c ~/Downloads/jdk-8u60-linux-x64.tar.gz
    181238643 /home/xanarry/Downloads/jdk-8u60-linux-x64.tar.gz

du command

    du -b filepath parameter -b means count in bytes

    xanarry@ThinkPad:/$ du -b ~/Downloads/jdk-8u60- linux-x64.tar.gz
    181238643 /home/xanarry/Downloads/jdk-8u60-linux-x64.tar.gz


or

    du -h filepath directly get a recognizable file size

    xanarry@ThinkPad:/$ du -h ~ /Downloads/jdk-8u60-linux-x64.tar.gz
    173M /home/xanarry/Downloads/jdk-8u60-linux-x64.tar.gz


ls command

    ls -l filepath The fifth column is the number of bytes in the file

    xanarry@ThinkPad :/$ ls -l ~/Downloads/jdk-8u60-linux-x64.tar.gz
    rw-rw-rw-1 xanarry xanarry 181238643 Oct 2 2015 /home/xanarry/Downloads/jdk-8u60-linux-x64. tar.gz


    ls -h filepath h means human, add the -h parameter to get a human-readable file size

    xanarry@ThinkPad:/$ ls -lh  ~/Downloads/jdk-8u60-linux-x64.tar.gz
    rw-rw-rw- 1 xanarry xanarry 173M 10月  2  2015 /home/xanarry/Downloads/jdk-8u60-linux-x64.tar.gz