发布时间：2015-02-09 16:39:15
http://linuxcommand.org/lc3_wss0080.phpshell 测试语句Here is a partial list of the conditions that test can evaluate. Since test is a shell builtin, use "help test" to see a complete list.ExpressionDescription.........【阅读全文】
发布时间：2015-02-09 14:01:30
http://linuxcommand.org/lc3_lts0080.phpIf you need to suppress all expansions, you use single quotes. Here is a comparison of unquoted, double quotes, and single quotes:[me@linuxbox me]$ echo text ~/*.txt {a,b} $(echo foo) $((2+2)) $USERtext /home/me/ls-output.txt a b foo 4 me[me@l.........【阅读全文】
发布时间：2015-02-09 13:26:28
http://linuxcommand.org/lc3_lts0050.phpWildcardMeaning*Matches any characters?Matches any single character[characters].........【阅读全文】
