到 ubuntu 12.10 升 bunch Tsuyoshi heaven 這兩，In dealing with problems，Want to confirm GCIN version，Synaptic 沒找 reach one o'clock，Not sure still not，Through Synaptic to check the software version，So on the way to study how to query the software version via the command line。
Query version，Primarily through the combination of the two instructions "dpkg-l" and "grep"，Former is a list of all installed software，Election law allowed sieve 以做 latter，Therefore, like if I want to query the version of GCIN，Will enter the following command to。
dpkg-l| grep gcin |
[Links]
- Two light Fred: [No.5]Ubuntu 查询 指令
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