Tagged Questions
16
votes
3answers
572 views
Which are the standard commands available in every Linux system?
I would like to know which are the standard commands available in every Linux system.
For example if you get a debian/ubuntu/redhat/suse/arch/slackware etc, you will always find there commands like:
...
8
votes
2answers
183 views
how to get exit status from the command before the last [duplicate]
I have solaris machine ( solaris 10 )
please Look on the following simple commands (haconf -makerw | grep -iq "Cluster already writable")
# haconf -makerw
VCS WARNING V-16-1-10364 Cluster ...
4
votes
5answers
250 views
Execute string result from shell script as a set of shell commands
I create a string result from my shell script and i want to execute it as a shell command.
For example file_a is:
[email protected]
[email protected]
script:
awk '{print "mail -s \"welcome\"", $1}' ...
3
votes
2answers
91 views
Make copies of a single directory to multiple directories with different names
I'm trying to replicate a single directory (with sub-directories) to a bunch of new directories based on a list. For example I can:
mkdir Fred Barney Thelma Louise Foo Bar
How would I copy a premade ...
3
votes
2answers
368 views
is there any command like “wall” that runs a “command” in all terminals
as you know "wall" command sends a message to all terminals:
wall message
now my question is this: is there any command that can send a "command" to be run in all terminals?
for example sending ...
1
vote
2answers
156 views
explain the command `printf — “#!${opt_E}”`
I am not able to understand this command and getting confused :
here are things i executed on linux trying to undertand its working
[root@testgfs2 final_scripts]# printf -- "#!${opt_E}"
printf -- ...
1
vote
1answer
80 views
What does sourcing a file mean in a shell? [duplicate]
Possible Duplicate:
Different ways to execute a shell script
What happens when I issue the following command:
source devenv.csh
How does it differ from running it just as devenv.csh ?
