View disk space usage on mac, mac disk space
Today, I found that the disk space is insufficient. First, find the folders that occupy the disk space.DuThe command is easy to use.
Du-c-d 1-m | sort-n
-CDisplays the total space occupied by the current folder.
-D 1The level is 1, that is, only the size of the level
Stat/etc/passwd to view the file information,
The field Access time (Access time) file data is updated after each read,
The field Chage time (Change time) file inode information is updated after each change
The field Modify time (modification time) file data is updated after each change.
Ls-l/etc/passwd
-Rwx ------. root 1704 January 10 08:44/etc/passwd
I:
. Point indicates that the file has a seliunx flag. Only a specific process with the same flag can use the file.
Ls-Z/etc/passwd to view hidd
How to install fedora15 and hard disk partition on a USB flash drive-Linux general technology-Linux technology and application information. The following is a detailed description. I felt a little timid and did not dare to try the system, because I used to delete the Startup Program, and the computer would not start.
I searched for a lot of different sayings on the Internet, so it was strange. I would like to ask some familiar experts for help and ex
Popular Links: https://wiki.archlinux.org/index.php/Disk_encryptionThe previous link about hard disk encryption, said a few, basically is selected Dm-crypt with LUKSIn grub, decrypt the root partition and the/boot partition.Dm-crypt Document: Https://wiki.archlinux.org/index.php/Dm-cryptUse Dm-crypt to encrypt a non-root partition. Https://wiki.archlinux.org/index.php/Dm-crypt/Encrypting_a_non-root_file_systemTwo encryption methods for Dm-crypt: PLAIN
File Class (java.io.*) can represent a file, or it may be a directory (in Java, files and directories belong to this class, and the distinction is not very obvious).The method under Java.io is to perform disk operations on the files on the disk, but the contents of the file cannot be read.Note: Creating a File object and creating a file in Java is two different concepts. The former creates a file in the vir
How to install the original XP
Tools to use: WinXP original system ISO image + launch U disk
1, enter the first PE after we have prepared the XP CD-ROM ISO image, right click to load virtual disk (can also use virtual optical drive to load or directly with the right button in the RAR to extract to the local hard disk partition)
2, open
The WIN8 for disk Management frees up disk space as follows:
Method One:
1, in the need to clean up the disk letter select the right key properties, select the regular Disk Cleanup.
2, select the content to clean up, click "OK" can be.
3, prompt whether delete click "Delete File" can.
Workaround one, using tools
1. Speaking of tools we can have 360 guards, QQ computer Butler can, in this I take the QQ computer housekeeper as an example, we open the computer QQ computer Butler
2. Then click on "Clean up the trash" as shown in the following figure will clear all kinds of rubbish, we just select then click "Start scanning" and then clear, of course, we can also click "Computer acceleration" to solve your problem oh.
Solution Two, the system with its own functions
1. On t
1, in the computer installation "Easyrecovery" and then we open the Easyrecovery software, then in the open interface we choose Media Type: storage devices.
Figure 1: Selecting a Media type
2, find our U disk, such as our U disk is: E disk.
Figure 2: Select the volume label you want to scan
3, select the recovery scenario: Recover deleted files.
4,
In the afternoon to copy a U disk in the file, resulting in a folder error: Unable to move the file can not read the source file or disk, probed a bit, found that the real folder name is "... "or" ... $ ", many of the online statements are said to be poisoned, to format, or with
del/f/a/q \\?\%1
RD/S/q \\?\%1
The two commands are made. BAT file, and then let the deleted folder dragged into this icon can
Note: The operation of any disk may damage the data inside, please back up the data in advance, remember! Remember! Remember!0X00:LVM Common Command control.some basic operations for the LVM underlying PV For the underlying PV, the commands for the operation are shown in the following table:
Command
explain
Pvchange
Controls whether the specified PV can assign new space permissions
Pvck
It's easy to convert a basic disk into a dynamic disk on Microsoft Windows 2000/xp/2003/2008/vista and Windows 7, but it's not easy to convert a dynamic disk to a basic disk. Why is that? Because Windows Disk Manager cannot convert a dynamic
Use cgroup to restrict disk io of processes, and cgroup process disk io
Cat/etc/cgconfig. conf
#
# Copyright IBM Corporation. 2007
#
# Authors: Balbir Singh
# This program is free software; you can redistribute it and/or modify it
# Under the terms of version 2.1 of the GNU Lesser General Public License
# As published by the Free Software Foundation.
#
# This program is distributed in the hope that it woco
After changing the disk partition, fix the grub startup and the disk partition grub.
In order to install Linux Through Hard Drive boot last weekend (see the previous article), we dedicated a 1 GB FAT32 partition. Return to Win7 today and use the disk management tool to undo and merge the partitions. After restarting the partition, it enters the grub rescue termin
Large inventory and small inventoryIs a relative concept, mainly calculated by the flow disk. Currently, the Shanghai and Shenzhen stock markets generally share more than one billion shares in large-disk shares. At present, most of the large-listed stocks in Shanghai and Shenzhen are state-owned enterprises, such as banking stocks, steel stocks, oil stocks, brokerage stocks, insurance, China Unicom, and rai
Method One:
1, click the "Start Menu"-"Control Panel" select "Management Tool"; (change view to large icon if not found)
2, double-click to open the "Computer Management";
3, in the Computer Management left click "Storage"-"Disk Management" can be.
Method Two:
1, click the "Start Menu", on the "Computer" right click to select "Management";
2, in the Computer Management left click "Storage"-"Disk
1 Uninstalling your USB flash driveSuppose your device for the U-disk is SDB1 (you can use DF to view your device)sudo umount/dev/sdb12 using the DD command to write to Linux (Ubuntu fedora ...) Systemsudo dd if= system path of= device pathFor example sudo dd if=./ubuntu-13.04-beta2-desktop-amd64.iso of=/dev/sdb1Note: In the rear of the device must pay special attention, the wrong choice may cause irreversible loss, make sure to see your USB flash dri
What do you think the Photoshop scratch disk is full? There are some designs when you use PS to open or work with pictures to prompt the scratch disk is full, then how to solve this problem? Let's take a look at the next tutorial.
First, we first open the Photoshop software, and then click on the Menu "edit"-"preferences"-"performance" as shown in the figure below.
The second step, then we will see
360 Cloud disk data How to migrate to Baidu network disk
1, first select the file you want to go offline to Baidu Cloud, right click or the above tool to choose to share files, pop-up a share link, and then click the Copy link, the link copied down.
2, create a new browser tag, paste in the browser address bar and open the address you just copied. This is a short link, different from the previous c
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