& Linux Command

Function Description: Set up user account. Syntax: useradd&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [-MMNR] [C < PS] [-D < Login directory] [e < expiry date] [F < buffer days] [G & ...

Function Description: Set up sound device. Syntax: aumix&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [ -123BCILMOPRSTVWWX] [(+ +) Strength] [PqR] [-DFHILQS] Supplemental NOTE: Set the signal strength of each sound device and specify the device for playback and recording. Parameters: [ -123bcilmopr ...

Feature Description: Displays or sets keyboard keys and their associated functions. Syntax: bind&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [-DLV] [F < key configuration file] [M < key configuration] [Q < functions] Supplemental NOTE: You can use the bind command to understand which key groups ...

Feature Description: Displays the parameters of the MS-DOS file system. Syntax: </>minfo&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [-V] [Drive 5643.html > Code] Supplemental Note: minfo for Mtools tool instructions, can display MS-DOS system disk parameters, including the number of magnetic field, the number of heads ... And so on. ...

Function Description: Displays the information of the kernel module. Syntax: modinfo&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [-ADHPV] [Module file] Supplemental Note: modinfo Displays the kernel module's object file to display information about the module. Parameters:-A or--author display module development ...

Function Description: Display and set the hardware clock. Syntax: hwclock&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [--adjust] [--debug] [--directisa] [--hctosys] [--show] [--SYSTOHC] [--test] [--UTC] [--version] [--set ...

Function Description: Set up the system of various services. Syntax: ntsysv&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [--back] [--level < grade 5643.html >] Supplemental Note: This is the program developed by Red Hat Company under the GPL rule, it has interactive operation interface, you ...

Function Description: Open the user's projection password. Syntax: Pwconv added: User and group passwords in Linux systems are stored in files named passwd and group, which are located in the ETC directory. Anyone can read them because of the operation of the system, creating a safety flaw. The projection password changes the password in the file to the shadow and Gshadow files under the ETC directory, only allows the System Manager to read, and replaces the original password with the "x" character, the effective strong ...

Feature Description: Displays the module that is loaded into the system. Syntax: lsmod Additional note: Executing the lsmod instruction lists all modules that are loaded into the system. The core of the Linux operating system is modular, so when compiling the core, it is important to put all the functions into the core. You can compile these functions into separate modules and load them separately as needed.

Function Description: Set the size of the terminal window. Syntax: resize&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [-CU] [-S < columns > < lines] Supplemental NOTE: The implementation of the resize directive can set the virtual terminal window size. Parameters:-C Even if the user environment is not c ...

Function Description: Find the strings that match the criteria in the file. Syntax: fgrep&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [Template Style] [File or directory ...] Supplemental Note: This directive is equivalent to executing the grep instruction plus the parameter "-F", as described in the grep instructions.

Feature Description: Format text file. Syntax: fmt&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [-cstu] [-p< Column Start string [-w< per column of characters [--help] [--version] [File ...] Supplemental Note: The FMT instruction reads the content from the specified file, rearranged it according to the specified format, and outputs ...

Function Description:. bz2 file compression program. Syntax: bzip2&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [-cdfhklstvvz] [--repetitive-best] [--repetitive-fast] [-Compression level] [File to compress] Supplemental Note: BZIP2 adopts the new compression algorithm, the compression effect is more than the traditional ...

Feature Description: Restricts file column widths. Syntax: fold&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [-bs] [-w< of rows per column [--help] [--version] [File ...] Supplemental Note: The fold instruction reads the content from the specified file, adding columns exceeding the defined column width to the standard output device. If you do not specify any files ...

Function Description: Filter out the specified line. Syntax: colrm&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [Start line number < end line number] Supplemental Note: The COLRM instruction reads the clerk from the standard input device and outputs it to the standard output device. If you do not add any arguments, the directive does not filter any row.

Function Note: Extract zip file syntax: unzip&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [-cflptuvz] [-AGCJLMNOQSVX] [-p < password] [. zip file] File] [D < directory] [-x < file] ...

Function Description: Extract the file. Syntax: gunzip&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [-ACFHLLNNQRTVV] [-s < compressed word tail string] [File ...] or Gunzip [-acfhllnnqrtvv][-s < compressed end ...

Function Description: Compare two ordered files. Syntax: comm&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [-123] [--help] [--version] [1th Document] [2nd] Supplementary Note: This directive will be a column to compare the two sorted file differences, and display the results, if you do not specify any parameters, the result will be divided into 3 lines: 1th ...

Function Description: Split file. Syntax: csplit&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [-kqsz] [-b< output format [-f< output Character First string [-n< Output filename Number [--help] [--version] File] [Template style ...] Supplementary note: The document according to the specified ...

Function Description: Enhance the display of text mode. Syntax: svgatextmode&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [-ACDFHMNRSV] [-T < config file] [Mode] Supplemental Note: Svgatextmode can be used to set the display screen in text mode, including resolution, font and update frequency. Parameters: ...