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49.
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The <command>mkdir</command> command allows you to create directories. For example, typing: <screen>mkdir music</screen> will create a directory named <filename class="directory">music</filename> in the current directory.
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<command>mkdir</command>创建一个目录。例如输入： <screen>mkdir music</screen> 将会在当前目录创建一个名为 <filename class="directory">music</filename> 的文件夹。
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Translated and reviewed by
Feng Chao
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Located in
basic-commands/C/basic-commands.xml:216(para)
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50.
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System Information Commands
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系统信息命令
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Translated and reviewed by
Jianle Ma
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Located in
basic-commands/C/basic-commands.xml:226(title)
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51.
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df
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df
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Translated by
Wentao Tang
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Reviewed by
1+1=2
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Located in
basic-commands/C/basic-commands.xml:229(title)
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52.
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The <command>df</command> command displays filesystem disk space usage for all partitions. <screen>df -h</screen> will give information using megabytes (M) and gigabytes (G) instead of blocks (<emphasis role="strong">-h</emphasis> means "human-readable").
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命令<command>df</command>显示所有分区文件系统的磁盘使用量。<screen>df -h</screen>将会以 megabytes(M)和gigabytes(G)方式代替区块显示(<emphasis role="strong">-h</emphasis>意思是 "人类可读的")。
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Translated and reviewed by
1+1=2
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Located in
basic-commands/C/basic-commands.xml:230(para)
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53.
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free
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free
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Translated and reviewed by
1+1=2
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Located in
basic-commands/C/basic-commands.xml:240(title)
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54.
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The <command>free</command> command displays the amount of free and used memory in the system. <screen>free -m</screen> will give the information using megabytes, which is probably most useful for current computers.
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命令<command>free</command>在系统中的空余和已用内存情况。<screen>free -m</screen>将信息以megabytes形式显示出来，对目前计算机来说可能是最有用的。
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Translated and reviewed by
1+1=2
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Located in
basic-commands/C/basic-commands.xml:241(para)
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55.
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top
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top
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Translated by
Wentao Tang
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Reviewed by
1+1=2
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Located in
basic-commands/C/basic-commands.xml:251(title)
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56.
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The <command>top</command> command displays information on your GNU/Linux system, running processes and system resources, including CPU, RAM & swap usage and total number of tasks being run. To exit <application>top</application>, press <keycap>q</keycap>.
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命令<command>top</command>显示了你的GNU/Linux系统的信息，正在运行的进程和系统资源，包括 CPU，内存 & 交换去的使用情况和正在运行的任务数。要退出<application>top</application>，按 <keycap>q</keycap>。
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Translated and reviewed by
1+1=2
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Located in
basic-commands/C/basic-commands.xml:252(para)
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57.
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uname
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uname
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Translated by
Wentao Tang
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Reviewed by
1+1=2
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Located in
basic-commands/C/basic-commands.xml:262(title)
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58.
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The <command>uname</command> command with the <emphasis role="strong">-a</emphasis> option, prints all system information, including machine name, kernel name & version, and a few other details. Most useful for checking which kernel you're using.
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命令<command>uname</command>加上<emphasis role="strong">-a</emphasis>选项会打印出所有的系统信息，包括机器名，内核名&版本和其他的一些细节 对于检查你在使用何种内核是非常有用的。
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Translated and reviewed by
1+1=2
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Located in
basic-commands/C/basic-commands.xml:263(para)
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