To put it simply, awk reads the file line-by-row, using spaces as the default delimiter to slice each row, and then perform various analytical processing of the cut.To create a batch script wanghy.sh:#
Linux c functions file and directory functions (All): http://blog.sina.com.cn/s/blog_695e489c01013ldd.htmlLinux directory Operations Hair: http://www.cnblogs.com/onlycxue/p/3154341.htmlTraverse all files under the folder in Linux:
/* ********************************************************************* * instructions for porting the Linux kernel mainline code * for am335x: * Mariannazhu to am335x do the Linux kernel porting when the blog, record, maybe
To compile the kernel steps:1.Check the kernel version used by your OS first[Email protected]:~$ uname-r4.4.0-51-generic[Email protected]:~$2.If the system is installed, the source code is installed automatically. In the/USR/SRC directory there is a
Virtual Memory Statistics: VmstatIn layman's words, virtual memory:Now the operating system is multi-channel batch processing, that is, there are many tasks in memory, then there is a problem, memory enough? Certainly not enough, according to the
First, downloadHttp://subversion.tigris.org/downloads/subversion-1.6.1.tar.gzHttp://subversion.tigris.org/downloads/subversion-deps-1.6.1.tar.gzThe above two compressed files will be placed under the same file after decompression, 2 will be
mkdir Creating a FolderTouch Create FileFiles and folders under Windows are case insensitiveFiles are strictly case- sensitive under Linux. Represents the current directory.. Indicates a parent directory. The file that starts with indicates that
1, the security of Linux1.1/etc/passwd FileStore user's login name and related information#cat/etc/passwdroot:x:0:0:root:/root:/bin/bashThe root user account is the system administrator, UID and GID are 0,1-500 for the system users, 501-65535 for
Yum Install lvm2-2.02.72-8.el6_0.4.x86_641. Convert the newly created two partition/dev/sdb1/dev/sdb2 into physical volume, mainly by adding LVM attribute information and dividing PE storage unit.Pvcreate/dev/sdb1/dev/sdb2PVsPvdisplay2. Create
Integer comparison-eq equals, such as: if ["$a"-eq "$b"]-ne not equal to, such as: if ["$a"-ne "$b"]-GT greater than, such as: if ["$a"-gt "$b"]-ge greater than equals, such as: if ["$a"-ge "$b"]-lt less than, such as: if ["$a"-lt "$b"]-le less than
Binary conversion is incompatible with the long mode of this platformThe virtual machine has been configured to use a 64-bit guest operating system. However, 64-bit operations cannot be performed.650) this.width=650; "Src=" Http://s2.51cto.com/wyfs02
One, configure the networkConfiguration file:/etc/sysconfig/network-scripts/ifcfg-eth0Device=eth0//Device nameHWADDR=00:0C:29:43:95:49//Physical AddressType=ethernet//Ethernet, NIC typeOnboot=yes//Whether random startBootproto=none//Whether to
ctrl+l Clear ScreenCtrl+d exit (logout/exit)Ctrl+u just written the order found wrong can be cleared with Ctrl+uctrl+k Backward to delete the cursor after theCtrl + C Direct Cancel interrupt can also select the above Ctrl+uSleep is dormant meaning
1, Linux is strictly case-sensitive.Linux is case-sensitive and Windows is not differentiated. Therefore, if a command is case-insensitive, it will appear in Linux as a "Commond not found" prompt, but will work correctly in Windows.2. There is no
1. Major releasesThere are 3 types of Linux major distributions:(1). Debian (2). Slackware (3). Redhat(1) Debianubuntu is known for its security on desktop and server Knopix (2). SlackwareWith its branch SuSE and its sub-branchesS.U.S.E for server
In the era of Linux rampant, do not play Linux is simply sorry it's popular, but not to use Windows, but also to work, but also working ah, the most important thing is: also Entertainment Ah!!Don't say much nonsense, go straight to the subject!1,
[Recommended] CentOS supports the configuration of Subversion-1.8.11 + HTTP. centossubversion
Note: All of the following operations are performed in the CentOS 6.5 x86_64-bit system.
We need to build our own SVN server.
In addition to the SVN
New notes: decompilation (accidental deletion and recovery) and recycle bin creation in linux (ubuntu );
Just now, a friend accidentally deleted the Code he had written for several days and helped him retrieve the file.
I often deleted some files by
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