基本命令行

ls命令

  List directory contents.

  - List files one per line:

    ls -1

  - List all files, including hidden files:

    ls -a

  - Long format list (permissions, ownership, size and modification date) of all files:

    ls -la

  - Long format list with size displayed using human readable units (KB, MB, GB):

    ls -lh

  - Long format list sorted by size (descending):

    ls -lS

  - Long format list of all files, sorted by modification date (oldest first):

    ls -ltr

cat

  Print and concatenate files.

  - Print the contents of a file to the standard output:

    cat file

  - Concatenate several files into the target file:

    cat file1 file2 > target_file

  - Append several files into the target file:

    cat file1 file2 >> target_file

  - Number all output lines:

    cat -n file

mv

  Move or rename files and directories.

  - Move files in arbitrary locations:

    mv source target

  - Do not prompt for confirmation before overwriting existing files:

    mv -f source target

  - Prompt for confirmation before overwriting existing files, regardless of file permissions:

    mv -i source target

  - Do not overwrite existing files at the target:

    mv -n source target

  - Move files in verbose mode, showing files after they are moved:

    mv -v source target

touch

  Change a file access and modification times (atime, mtime).

  - Create a new empty file(s) or change the times for existing file(s) to current time:

    touch filename

  - Set the times on a file to a specific date and time:

    touch -t YYYYMMDDHHMM.SS filename

  - Use the times from a file to set the times on a second file:

    touch -r filename filename2

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