linux command

How do I find UNIX / Linux command for particular task?

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I see [ command in /usr/bin directory. What is the /usr/bin/[ command used for?

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Can you tell me a Linux command to find out information about my hard disk such as description, product name, bus type, size, and cache memory size under Linux operating systems using command line options?

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Q. How do I view squid proxy server log files under CentOS Linux server 5.0? A. squid is a high-performance proxy caching server for web clients, supporting FTP, gopher, and HTTP data objects. Unlike traditional caching software, squid handles all requests in a single, non-blocking, I/O-driven process. /var/log/squid/ log file directory The logs are a […]

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Q. Sometime I type command and accidentally hit the [ENTER] key and immeditly realized that it was wrong command. How do I stop process assuming that process is not going in background? For example cp /path/* /wrong/path Stop or terminate Linux command process with CTRL + C A. To stop process hit CTRL + C, […]

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