Linux - Chkconfig

The following is a Linux dictionary word of the day:

chkconfig – command that handles and shows the runlevel of the services at each of the stages being run within Linux.

Example: chkconfig

Linux - Chroot

The following is a Linux dictionary word of the day:

chroot – command to change the root directory.

Example: chroot /path/new_root

Linux - Chpasswd

The following is a Linux dictionary word of the day: 
chpasswd – allows updated passwords in batch mode.

Example:

chpasswd

user1 newpassword1

user2 newpassword2

Note: when done update of username password setting enter in Ctrl-D on the keyboard. 

Linux - Chown

The following is a Linux dictionary word of the day:

chown – change the user and/or group ownership of a given file or directory.

-R parameter for recursive traverse through all contents where command is run from.

Note: only a user with root access can use the chown command.

Example: chown -R root:name_of_group name_of_folder

Linux - Chgrp

The following is a Linux dictionary word of the day:

chgrp – changes group ownership to a said group.

-R parameter for recursive traverse through all contents where command is run from.

Example: chgrp -R root name_of_folder

Linux - Child process

The following is a Linux dictionary word of the day:

child process – process created by another process (which would be the parent process). Each process may create many child processes but will have only one parent process.

Linux - Chfn

The following is a Linux dictionary word of the day:

chfn – utilized to modify finger command based information. The information is stored in the /etc/passwd location. It includes the user's name, work location, work phone number, and home phone number.

Example: chfn

Linux - Checkeq (eqn or neqn)

The following is a Linux dictionary word of the day:

checkeq (eqn or neqn) – command utilized to describe equation aspects.

-v parameter to print version.

Example: eqn hello.c

  

Linux - Cfdisk

The following is a Linux dictionary word of the day:

cfdisk – partition table manipulator for a Linux drive.

m = option used to maximize the disk usage of the current partition.

-h parameter display for help text.

-V parameter to display version information.

Example: cfdisk -V

Linux - CC

The following is a Linux dictionary word of the day:

cc – executes the systems C coding compiler. By default, the output will be written to the executable file a.out.

-o parameter to output the executable file to the name of ones choosing.

Examples:

cc thefile.c

cc thefile.c -o mynewfile

Linux - Case

The following is a Linux dictionary word of the day:

case – command utilized to conditionally perform a command based on its value.

Example:

#!/bin/sh
echo "Enter command (who, list, or cal)"
     read command
     case "$command" in
      who)
           echo "Running who"
           who
           ;;
     list)
           echo "Running ls"
           ls
           ;;
     cal)
           echo "Running cal"
           cal 
           ;;
     *)
           echo "Bad command"
           ;;
     esac
     exit 0

Linux Dictionary A-Z

https://www.amazon.com/dp/B0BSCZHTMH/

The world of Linux is complicated and intricate. Therefore, in order to understand and maneuver through this vast technology and business environments platform, knowing the proper terminology from A-Z will prove valuable. Each entry is explained with useful parameters, options and examples when relevant.

Linux - Cal

The following in a Linux dictionary word of the day:

cal – command which has the ability to display a 12 month calendar beginning in January.

-j parameter is for Julian dates (shows days numbered 1 to 365 starting from January 1).

-y parameter is for the display of the entire current year.

[month][year] options to display a calendar applicable to the month and year given. 

Examples:

cal

cal -j

cal -y

cal 01 2000

Linux - Cache

The following is a Linux dictionary word of the day:

cache – a small fast memory holding recently accessed data, designed to speed up subsequent access to the same data.

Linux - C Shell

The following is a Linux dictionary word of the day:

C Shell – shell written to look similar to the C programming language. The program name is csh.

Linux - Bye

The following is a Linux dictionary word of the day:

bye – exit command from shell being utilized.

Example: bye

Linux - Bzip2

The following is a Linux dictionary word of the day:

bzip2 – compress or decompress named file(s).

-d parameter for decompression of compressed files.

-z parameter to force compression.

Examples:

bzip2 -z testfile.txt

bzip2 -d testfile.txt.bz2

Linux - Builtin

The following is a Linux dictionary word of the day:

builtin – runs shell or functionality which is incorporated into the operating system.

Linux - BS

The following is a Linux dictionary word of the day:

bs – executes the battleship game.

-b parameter that stands for blitz and allows a side to shoot for as long as it continues to score hits.

-s parameter that stands for salvo and allows a player one shot per turn for each of the ships still afloat.

-c parameter that stands for close pack and allows ships to be placed adjacently.

Examples: bs

bs -b

Linux - Break

The following is a Linux dictionary word of the day:

break – shell script variable which accounts for exiting from a loop

n option number of how many times loop runs, the default is 1.

Example:

                #!/bin/bash

for ((i=1;i<=5;i++)); do

           echo $i

           if [ $i -eq 3 ]; then

           break

     fi

done