Summary of common Linux commands

Summarize the Linux commands used.

(Linux Command Summary: http://linux.chinaitlab.com/special/linuxcom)

1) View and sort the size of a folder.( Du, SortCommand combination)

For example, the current folder is
. Cache

$ Du -- Max-depth = 3-H | sort-hr

680 m.

657 m./tracker

17 m./abrt/spool/ccpp-2012-09-08-21: 12: 57-1942

17 m./abrt/spool

17 m./abrt

5.2 m./Kingsoft

3.6 m./Kingsoft/WPP/HTTP

3.6 m./Kingsoft/WPP

1.7 m./Kingsoft/WPS/HTTP

1.7 m./Kingsoft/WPS

852 K./ibus

768 K./Wallpaper

684 K./ibus/Bus

92 K./ibus/libpinyin

72 K./ibus/pinyin

Note: Du-estimate file space usage (see Man Du for details)

Sort-Sort lines of text files (for details, see man sort)

2) display a column. ( Cut command)

$ Date
Wed Jan 2 10:22:52 CST 2013

$ Date | cut-D ''-F5

10:23:33

3) Search for a file in the directory. (Tree, grep)

$ Tree | grep-C 5 "busybox"

4) use grep in the file to search for multiple keywords (grep)

$ Grep-e "Open | create" fcntl. h

Note: The knowledge of using regular expressions, where '|' indicates or.

5) solve Chinese garbled characters

$ Convmv-f gbk-T UTF-8-r -- notest *

(From GBK to UTF-8, change the subdirectory and correct the file name .)

6) create a GIF Image

$ Convert-delay 0 photo-00 {16 .. 23} *-loop 0 test.gif

(Note: {16 .. 23} represents 16 17 18
... 23 is easy to use .)