clearcase commands with examples

directory, the directory name do not add "/"The compression operations that we may often use at work are as follows: [[emailprotected]5201351 ~]# Span style= " color: #0000ff;">tar -cvf 5201351 . tar /5201351 // package only, do not compress [[Emailprotected]5201351 ~]# tar -zcvf 5201351. tar . gz/5201351 // after packaging, compress [[Emailprotected]5201351 ~]# tar -JCVF 5201351. tar . bz2/5201351 // after packaging, compress with bzip2 When executing the above command, a warning mes

multiple small filesThe split command is used in Unix-like systems to split large-volume files into small-volume files. Large volumes of tar can of course also be used to split the command.Suppose you need to split "mybackup-2016-09-09.tgz" into small files of 6 MB per copy.Syntax: split-b size-in-mb> extension> "prefix- name " [[Email protected] ~] # split-b 6M mybackup-2016-09-09.tgz mybackup-partsThe above command will split the mybackup-2016-09-09.tgz file into multiple 6 MB small fil

Tags: linux regular expressionsHave you ever encountered a need to find a specific string or style in a file, but don't know where to start? So, just ask grep to help you.grep is a powerful file-mode search tool preinstalled on every Linux distribution. Whatever the reason, if your system is not preloaded with it, you can easily install it through the system's Package Manager (Apt-get in the Debian/ubuntu and Yum in the Rhel/centos/fedora department). $ sudo apt-get install grep #Debian

Tags: ref mini computer string search error LAN man PAT content2017-10-17 Linux Small Butler Have you ever encountered a need to find a specific string or style in a file, but don't know where to start? So, just ask grep to help you.grep is a powerful file-mode search tool preinstalled on every Linux distribution. Whatever the reason, if your system is not preloaded with it, you can easily install it through the system's Package Manager (Apt-get in the Debian/ubuntu and Yum in the

connecting to the server disconnects, the server side also exits.Server-side:? 1 $ nc-l 2389 Client:? 12 $ nclocalhost 2389^C Server-side:? 12 $ nc-l 2389$ In the above example, the server side also exits immediately when the client disconnects.We can use the-K parameter to control that the server does not exit because the client disconnects.Server-side:? 1 $ nc-k -l 2389

scripts may also switch directories[Email protected]:~$ pushd/var/www/html/var/www/html ~[email protected]:/var/www/html$The above command saves the current directory to memory and then switches to the requested directory. Once poped is executed, it will remove the saved directory location from memory as the current directory[Email protected]:/var/www/html$ popd~[email protected]:~$14. Switch to a directory with a blank name[Email protected]:~$ cd test/tecmint/[email protected]:~/test tecmint$O

device, and the output file to write the floppy image file name as shown below.[email protected] ~]# DD if=/dev/fd0 of=myfloppy.imgExample 5: Backing up a partitionUse the DD command to back up the hard disk partition. Enter the file to fill in the partition's device name, and the output file to fill in the target path or image file you specified. The DD command example shows the following:[email protected] ~]# DD if=/dev/sda1 of=~/partition1.imgExample 6: Disc backupThe DD command allows us to