linux at command examples

The DF command is used to view the disk usage of the Linux file system, and to see how much space is currently occupied by the disk and how much space is left.Several of the commonly used commands areCommand 1 DF The default display size is in kilobytes, you can use the parameter-K 1024-byte units,-M 1024*1024 bytes,-I display innode information,-H displays the data in the appropriate units,-H is the same a

device, respectively.The driver is written, the driver is compiled multiple times, and the driver reads and writes the directory, there are build.sh and related script files.The Cat command does not revert 4 bytes to a value of type intThe goldfish kernel for the Android emulator does not allow the dynamic loading of the Linux driver module by default, so the CD ~/kernel/goldfish,make Menuconfig is require

): exechttp of the find command: // www.bkjia.com/ OS /201211/168901.htmllinuxcommand (21) every day: xargshttp of the find command: // timeout (22 ): detailed description of the parameters of the find command: http://www.bkjia.com/ OS /201211/168912.htmla linuxcommand every day (23): Linux directory structure (24):

The chmod command is used to change access rights for Linux system files or directories. Use it to control access to files or directories. There are two ways to use this command. One is a text-setting method that contains letters and operator expressions, and the other is a digital setting method that contains numbers.Each file and directory in a

14 useful examples of Linux Sort commands (1) Sort is a Linux program used to Sort the content of one or more text files. The Sort command uses space as the field separator and splits a line into multiple keywords to Sort the files. Note that unless you redirect the output to a file, the Sort

Linux Command user management commands, linux Command user management Groupadd [Function description] Create user group [Syntax format] Groupadd [-f] [-r] [-g [Option parameters] Parameters Description -F Create an existing group and force the system to receive existing group names. By default,

SOBSRC.TGZ has read and write permission, and the user of the same group as the SOBSRC.TGZ owner only reads, and the other user only has Read permission.After determining the access rights of a file, users can use the chmod command provided by the Linux system to reset different access rights. You can also use the Chown command to change the owner of a file or d

Linux ln command details and usage, Linux ln command details Linux ln command details and usage Ln is a very important command in linux. It

Linux Command-Class 4, linux Command-4 1. System Management and Maintenance1. pwd: print working directory2. cd: change directory to change or enter the path● Cd ~ /Cd: current user directory; return to the main directory (with spaces in the middle !)● Cd/: root directory;● Cd-: The Last accessed directory;● Cd...: dir

One linux command every day (45): free command link: One linux command every day (1): ls command http://www.2cto.com/os/201210/163049.html ; One linux

1 $find/ -name"*.conf"2>>/dev/null 2 /sbin/generate-modprobe.conf 3 /boot/grub/grub.conf 4 [Note: All the"Permission denied"messages are not displayed] Example 14: Change a space in a file name to an underscoreMany of the file names you download from the Web are marked with spaces. But filenames with spaces are bad for Linux