Some Linux commands

Rpm-QL mplayer | cat-N View package information
In addition
[Root @ centos5h ~] # WC -- Help
Usage: WC [Option]... [file]...
Print newline, word, and byte counts for each file, and a total line if
More than one file is specified. With no file, or when file is -,
Read standard input.
Note: This command counts the number of bytes, number of words, and number of lines in a given file. If no file name is provided, it is read from the standard input. WC

The President count of all specified files is also provided. Word is the largest string separated by space characters

-C, -- bytes print the byte counts
-C: count the number of bytes.
-M, -- chars print the character counts
-L, -- lines print the newline counts
-L number of statistics rows
-L, -- Max-line-length print the length of the longest line
-W, -- words print the word counts
-W words
-- Help: displays the help information and exits.
-- Version: Output version information and exit

 

 

2. The dynamic link library directory of the vim/etc/lD. So. conf system. Run ldconfig after modification