Linux Command &

PHP invoke Linux Command details/* The function to invoke Linux commands in the PHP tutorial is string exec (String command, string [array], int [return_var]); such as exec ("VPOPMA ...")

Apt is a Linux command for the Deb package-managed operating system that is used to automatically search, install, upgrade, uninstall software or operating system from the Internet's software warehouse. Apt commands generally require root permission execution, so generally follow the sudo command example: sudo apt xxxx under the apt use method of the detailed guide, for everyone to see the use of apt install &http://www.aliyun.co ...

Feature Description: Lists user-related information that failed the login system. Syntax: LASTB [-adrx][-f < record file >][-n < display number of columns >][account name ...] 　　[Terminal number ...] 　　Supplemental Note: Executes the LASTB instruction separately, it reads the file in the Var directory with the name btmp, and displays the list of failed users of the file content record. Parameters:-A to log from where to the system ...

Feature Description: Displays directory records. Syntax: dirs&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [+/-n-l] Supplemental Note: Displays the records in the catalog stack.  Parameters: +n Displays the table of contents from the left of the nth pen. -N   ...

Function Description: Start x&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Window. Syntax: STARTX [program][--Server Settings] Supplemental Note: startx to start X Window's script file, the program that actually starts X window is xinit. Parameters: ...

Function Description: Set XFEE86. Syntax: xf86setup&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [-display< host name or IP address >:< display number [-nodialog] [-sync] Supplemental Note: This is the Linux system used to set the XFEE86 program, it will enter the graphics mode, through the mutual ...

Feature Description: Turn off disk space restrictions. Syntax: quotaoff&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [-aguv] [File System ...] Supplemental Note: Executing the QUOTAOFF directive closes the disk space limit for users and groups. Parameter:-A close in fstab ...

Function Description: Open disk space limit. Syntax: quotaon&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [-aguv] [File System ...] Supplemental Note: The execution of the Quotaon directive can open the user and the group's only lb-second year space limit, each partition's file system root directory must have Quota.user and Quota.group configuration files. Parameters:   ...

Function Description: Check the status of disk space restrictions. Syntax: repquota&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [-aguv] [File System ...] Supplemental Note: Execute the REPQUOTA directive to report disk space limitations, and clearly know how much space each user or group has used. Parameters:-A &nbs ...

Feature Description: Creates a directory in the MS-DOS file system. Syntax: mmd&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [Directory ...] Supplemental Note: MMD is a mtools tool directive that simulates MS-DOS's MD instructions and can be used to create a directory in MS-DOS file systems.

Feature Description: Hangs in MS-DOS file system. Syntax: mmount&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [Drive 5643.html > Code] [Mount Parameter] Supplemental Note: Mmount is a mtools tool directive that can be mounted to the Linux directory according to the settings in the Mount parameter. Parameters: & ...

Feature Description: Deletes the directory in the MS-DOS file system. Syntax: mrd&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [Directory ...] Supplemental Note: MRD is a mtools tool directive that simulates MS-DOS's RD directives to remove MS-DOS directories.

Function Description: Read, transform and output data. Syntax: dd&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [bs=< bytes [cbs=< bytes [conv=< keyword [count=< Block number [ibs=< bytes [if=< Document] [O ...

Function Description: Check the correctness of the ext2 file system. Syntax: e2fsck&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [-accdffnprsstvvy] [b <superblock>] [B < block size] [-l < document] [-l  ...

Feature Description: Disk partitions. Syntax: fdisk&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [B < partition size] [-UV] [Peripheral code] or Fdisk [-l][-b < partition size >][-uv][peripheral device code ...]

Function Description: Check the file system and try to fix the error. Syntax: fsck&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [-aanprrstv] [-T < file system Type] [File System ...] Supplemental Note: When the file system has an error four, you can try to fix it with the FSCK directive. Parameters:-a&nb ...

Function Description: Establish a variety of file systems. Syntax: mkfs&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [VV] [FS] [F < file system Type] [Device name] [Chunk] Supplemental Note: The MKFS itself does not perform the work of establishing the file system, but rather calls the relevant program to execute. Parameters: FS&N ...

Feature Description: Check the disk for the MS-DOS file system for damaged magnetic areas. Syntax: mbadblocks&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [Drive 5643.html > Code] Supplemental Note: Mbadblocks is a mtools tool directive that can be used to scan the MS-DOS file system's disk drive and indicate a damaged magnetic field.

Function Description: Set up the swap area (swap&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp;area"). Syntax: Mkswap [-cf][-v0][-v1][device name or file] [swap area size] Supplemental Note: Mkswap can set up a disk partition or file as a Linux swap area. Parameters:-C & ...

Feature Description: Displays the list of outgoing messages. Syntax: mailq&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [Q] Supplemental Note: MAILQ can list the mailing list, including the message ID, message size, mail save time, sender, recipient, and why the message could not be mailed, providing administrator reference information. MAILQ is actually executing sendmail-b ...