Typically workstations and personal computers have had system profilers as a common feature since the mids.
However, system profilers exist on most computing architectures in some form or other. System Monitor programs in mainframes essentially provide the same function as system profiler programs on personal computers. System profilers came into use after punch cards were no longer needed to run programs.
Linux commands to display your hardware information | zidisrebam.tk
Mainframe computers had evolved into have modular architectures at the same time punch cards were being abandoned as input devices. Punch card based mainframe computer systems typically had very rigidly fixed architectures with little variation in input or output devices.
Since the s hardware independent system profilers have emerged in some computing architectures, like Linux. Click the Apple menu icon on the bar at the top of your screen, hold down the Option key, and click System Information. You can also use the uptime command on a Mac, too. Run the uptime command. You should be able to find when your Mac OS X system was installed from its install. First, open the Console application. Scroll up to the top of the install. Open the oldest one, which is the one that has the highest number in its name.
Image Credit: Trevor Manternach on Flickr. This article introduces many of the most useful line commands for system discovery.
The quick reference chart at the end summarizes them. There are several line commands that will give you a comprehensive overview of your computer's hardware. The inxi command lists details about your system, CPU, graphics, audio, networking, drives, partitions, sensors, and more. Forum participants often ask for its output when they're trying to help others solve problems. It's a standard diagnostic for problem-solving:.
The -F flag means you'll get full output, x adds details, and z masks out personally identifying information like MAC and IP addresses. The hwinfo and lshw commands display much of the same information in different formats:. You can learn everything about your CPU through line commands. View CPU details by issuing either the lscpu command or its close relative lshw :. In both cases, the last few lines of output list all the CPU's capabilities. Here you can find out whether your processor supports specific features. With all these commands, you can reduce verbiage and narrow any answer down to a single detail by parsing the command output with the grep command.
For example, to view only the CPU make and model:. The -i flag on the grep command simply ensures your search ignores whether the output it searches is upper or lower case. Linux line commands enable you to gather all possible details about your computer's memory. You can even determine whether you can add extra memory to the computer without opening up the box. For more specifics on system memory, including type, size, speed, and voltage of each RAM stick, try:. Now find out whether there are any open slots to insert additional memory sticks.
How to find out Mac OS X operating system version information from Terminal command prompt
You can do this without opening your computer by issuing this command:. Determining how much video memory you have requires a pair of commands. First, list all devices with the lspci command and limit the output displayed to the video device you're interested in:. Now reissue the lspci command, referencing the video device number as the selected device:. This tells how much memory is free, how much is in use, the size of the swap area, and whether it's being used.
For example, the output might look like this:. The top command gives you more detail on memory use.
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It displays full-screen text output:. You can easily determine whatever you wish to know about disks, partitions, filesystems, and other devices.
Get details on any specific SATA disk, such as its model and serial numbers, supported modes, sector count, and more with:. Of course, you should replace sda with sdb or another device mnemonic if necessary.
How to open the command line.
For more detail, including the number of sectors, size, filesystem ID and type, and partition starting and ending sectors:. You can find this information with the blkid command. It lists each partition's unique identifier UUID and its filesystem type e. To list the mounted filesystems, their mount points, and the space used and available for each in megabytes :.
The asterisks in this table are wildcard characters, serving as a placeholder for whatever series of characters appear from system to system. Let's conclude with two commands that display low-level software details. For example, what if you want to know whether you have the latest firmware installed? What is the kernel version, and is it bit? And what is the network hostname?
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To find out, issue:. Hello, inxi seem to be quite useful integral script to get various Linux system information. This program started life as a fork of Infobash 3. Subsequent changes and modifications after Infobash 3. You can combine them, or list them one by one. Examples: inxi -v4 -c6 OR inxi -bDc 6. If you start inxi with no arguments, it will show the short form. The following options if used without -F, -b, or -v will show just option line s : A, C, D, G, I, M, N, P, R, S, f, i, m, n, o, p, l, u, r, s, t - you can use these alone or together to show just the line s you want to see.
If you use them with -v [level], -b or -F, it will show the full output for that line along with the output for the chosen verbosity level. Like inxi -v 2, only minus hard disk names.
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Scheme number is required. Color selectors run a color selector option prior to inxi starting which lets you set the config file value for the selection.