IT-Training Kurt Schneider

FAQs Unix


Keywords:


The shell

What shell do I use


Shells and subshells


Suppression of the start of a subshell


Exporting shell variables (1)


Exporting shell variables (2)


Indirect access of shell variable contents


What is a filter


Does a filter necessarily filter


Arg list too long


Error messages (1)


Error messages (2)


Use of nohup


Filename completion


Actual path as shell prompt


Current time as shell prompt


How to output text with echo without appended newline


File handling

.profile


.profile and .kshrc


.kshrc and shell scripts


Stdin and stdout on the command line


Finding files by contents


Problem starting script file (1)


Problem starting script file (2)


Problem starting commands


Problem handing arguments to commands


Permissions and security

Is there anything that root may not do


Does a setuid program always grant root permissions


Maximum length of user passwords


Error: can't open display


File systems

Creation date of a file


Modification date of a file in different formats


Modification date of a file in the future


When is a file deleted


File contents of deleted files


How to undelete a file


Where is a file stored


Difference between files and directories


Task of directories


Endless stream of data


Text editors

Line termination (1)


Line termination (2)


Usage of the mouse in vi


Default configuration for vi


How to include control characters into a text file


Processes

What is a zombie


Zombies as sons of dead fathers


Daemons

Talking with daemons


Syslog doesn't understand me


Device handling

tar


How to access drives


Name services

NIS map structure


NIS source files


Passwords in the passwd map


Passwd map but no user login


Unexpected search order for passwd


Number of NIS domains


Switching of NIS servers


Number of slaves


Make on the slave


Lost web connection


Miscellaneous

Numbers in parentheses behind commands


How to get out of rlogin


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