sca_sles15 Exam Dumps : SUSE Certified Administrator in Enterprise Linux 15

The command that allows you to create an alias command is alias. The alias command can be used to define a short name or abbreviation for another command or sequence of commands. The syntax of the alias command is alias name=‘command’. For example, alias c=‘clear’ will create an alias named c for the clear command. You can then type c to run the clear command. To remove an alias, you can use unalias name. References:

The types of files that are used for inter-process communications are pipe and socket files. Pipe files are used for unidirectional data flow between two processes. They can be created with the mkfifo command or with the | operator in a shell command. Socket files are used for bidirectional data exchange between processes on the same or different machines. They can be created with various system calls or commands depending on the protocol and domain. References:

The three permissions available on posix file systems are read, write, and execute. The read permission allows the user to view the contents of a file or directory. The write permission allows the user to modify or delete a file or directory. The execute permission allows the user to run a file as a program or change into a directory. References: