Article on the subject of "syntax in unix / linux"

  • ManPage Help in Unix

    ManPage Help in Unix

     all unix commands come with arbitrary and mandatory functions. it is very common when you forget the full syntax of these commands.
  • The while loop in Shell

    The while loop in Shell

     the while loop gives you the ability to execute a set of repetitive commands until certain conditions occur. it is often used when you need to manipulate iterative variable values.
  • For loop in Shell

    For loop in Shell

     the for loop works on lists of items (items). it repeats a set of commands for each item in a list.
  • Until loop in Shell

    Until loop in Shell

     the while loop is perfect for the situation where you want to execute a set of commands while some conditions are true. sometimes you need to execute a set of commands until a condition is true, then you need to use a until loop.
  • Select loop in Shell

    Select loop in Shell

     the select loop provides an easy way to create a numbered menu from which the user can select. it is useful when you want to ask the user to select one or more items from a list of options.
  • Network communication utilities in Unix / Linux

    Network communication utilities in Unix / Linux

     when you work in a distribution environment then you need to communicate with remote users and you also need access to remote unix devices.
  • Network communication utilities in Unix / Linux

    Network communication utilities in Unix / Linux

     when you work in a distribution environment then you need to communicate with remote users and you also need access to remote unix devices.
  • ManPage Help in Unix

    ManPage Help in Unix

     all unix commands come with arbitrary and mandatory functions. it is very common when you forget the full syntax of these commands.
  • Useful commands in Unix / Linux

    Useful commands in Unix / Linux

     this chapter lists the commands, including syntax and brief descriptions. for more details about these commands, you use.
  • Regular Expression in Unix / Linux

    Regular Expression in Unix / Linux

     a regular expression is a string that can be used to describe different sequences (arrangement) of characters. regular expression is often used by various unix commands, including ed, sed, awk, grep and micro domains.
  • System log in Unix / Linux

    System log in Unix / Linux

     unix systems have a very powerful and flexible logging system, which gives you the ability to record almost anything you can imagine and then manipulate this log to track the information you require.
  • The while loop in Shell

    The while loop in Shell

     the while loop gives you the ability to execute a set of repetitive commands until certain conditions occur. it is often used when you need to manipulate iterative variable values.
  • What is Unix / Linux?

    What is Unix / Linux?

     unix operating system is a collection of programs that act as a link between a computer and a user.
  • Instructions for installing Unix / Linux

    Instructions for installing Unix / Linux

     an important unix concept is the environment, which is defined by environment variables. some are set up by the system, others are set up by you, by the shell or any program you download.
  • File Management in Unix / Linux

    File Management in Unix / Linux

     all data in unix is ​​organized in files. all files are organized in folders. these directories are organized in a tree structure that is called the file system.
  • Signal and Trap in Unix / Linux

    Signal and Trap in Unix / Linux

     signals are software interrupt signals that are sent to a program that indicates a serious event has occurred. these events can be very diverse from user requests to illegal memory access. some signals, like signal interrupts, indicate that a user has asked the program to do something without
  • Navigation IO in Unix / Linux

    Navigation IO in Unix / Linux

     most unix system commands receive input from your terminal and send the output back to your terminal. a command usually reads its input from a location called standard input, which happens to your terminal by default.
  • Basic file system in Unix / Linux

    Basic file system in Unix / Linux

     a file system is a logical collection of files on a partition or a disk. a partition is an information store and can be combined into a hard disk if desired.
  • Techniques cited in Unix / Linux

    Techniques cited in Unix / Linux

     shell provides a variety of characters that have special meaning while using them in any shell script and cause a limit of a word unless quoted.
  • Basic utilities: print, email in Unix

    Basic utilities: print, email in Unix

     by this chapter, you have a few basic insights about unix systems and some of its basic commands. this chapter will briefly discuss some of the basic but important utilities of unix utilities that you will use in your daily activities.
  • User management in Unix / Linux

    User management in Unix / Linux

     unix supports a concept of group account, which groups a number of accounts logically. each account will be part of any group account. the unix team plays an important role in executing process management and allowing access to files.
  • Use variables in Shell

    Use variables in Shell

     a variable is a string of characters from which we assign a value. the assigned value can be a number, text, file name, device or any other type of data.
  • Micro editor in Unix / Linux

    Micro editor in Unix / Linux

     there are many ways to edit files in unix and for me, one of the best ways is to use the editor to edit the micro screen orientation. this editor lets you edit the lines of content with other lines in the file.
  • For loop in Shell

    For loop in Shell

     the for loop works on lists of items (items). it repeats a set of commands for each item in a list.
  • C Shell operators

    C Shell operators

     this tutorial lists all the operators available in c shell. here, most operators are similar to those we have in the c programming language.
  • Control loop in Unix / Linux

    Control loop in Unix / Linux

     the previous chapter has been shown how to create loops and work with them to perform various tasks. sometimes you need to stop a loop or continue their repetitive process.