Archive for the 'AIX' Category
Viewing 11-20 of 39 FAQ -- Killing processes in UNIX :
Q. Sometime I need to stop a command or task under UNIX. I also noticed that some process will ignore my keystroke-generated signals such as CTRL + C or CTRL+D, so my question is – How do I kill process in UNIX?
A. You need to use a command called kill. The kill utility sends [...] - How do I find out my Linux gateway / router IP address? :
Q. How do I find out my gateway IP for a computer or a network device that allows or controls access to another computer or network under Linux / UNIX?
A. A gateway is a network point that acts as an entrance to another network. On the Internet, a node or stopping point can be either [...] - Linux delete directory with rmdir command :
Q. I’m new to Linux and I’d like to know how to delete directory? I’m using Cent OS Linux.
A. You need to use command called rmdir. It remove empty directories
rmdir command syntax
rmdir [OPTION] {directory-name}
Delete / remove directory
To delete directory called foo, enter:
rmdir foo
Remove DIRECTORY and its ancestors
For example remove directory structure sales/99/march
rmdir -p sales/99/march
Recursive [...] - How to delete lots of directory at a one time in Linux or UNIX :
Q. I’d like to delete lots of directory at a one time in Linux or UNIX. For example /data2/2005 is old archived data and it is no longer needed. How do I delete all directories and files from /data2/2005? Do I need to write a script?
A.. You need to use rm command to remove [...] - Understanding Linux / UNIX Relative Pathname :
Q. Can you explain the term relative pathname under UNIX or Linux oses?
A. The relative pathnames are opposite to absolute pathname. A reative pathname does not begin with a slash ( / ). Generally you specifies location relative to your current working directory. This is most useful to short a path name. For example if [...] - Linux / UNIX: Getting help with man page :
Q. I’ve CentOS 5 server located in a remote data center. How do I get more help about command and its syntax?
A. Linux and UNIX comes with man (manual) pages. man command displays pages from reference manual. You can learn about command and it syntax. Each man page has following information:
=> Command name along [...] - Examining the Linux / FreeBSD / UNIX filesystem with ls command :
Q. I’m new to Linux and how do I examine filesystem and identify regular files or directories?
A. Both Linux and UNIX comes with ls command for examining the filesystem. You can use ls command to look at the filesystem. ls command can display:
=> Character devices
=> Regular files
=> Sym links (symbolic links)
=> Directories
=> Pipes
=> Sockets
=> Block [...] - Linux / UNIX: displays a calendar and the date of easter with cal command :
Q. date command displays date and time under a shell? How do I display calendar under Linux or UNIX?
A. date displays the Linux or UNIX system current date and time. The cal command displays a simple calendar in traditional format and ncal offers an alternative layout, more options and the date of easter. [...] - Linux / UNIX: Device files :
Q. Can you explain me what is device files and how do I access or see device files? Why UNIX / Linux has device files?
A. Under Linux and UNIX each and every hardware device treated as a file. A device file allows to accesses hardware devices so that end users do not need to [...] - UNIX / Linux: Absolute Pathnames :
Q. Can you explain the term absolute pathname under UNIX or Linux oses?
A. An absolute pathname, is the location of a filesystem object relative to the root directory. All absolute pathnames always begin with a slash (/). With Absolute pathname you have access to complete file system objects such as directories and files.
Absolute [...]
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