Getting Started with linux Manual 8 package, partition, and mount the file system creation

rpm package search function

1. Query system installed software

   Whether rpm -q Software name query software installed, rpm -qa view all installed software commonly used rpm -qa | grep .. Find an installed software
   rpm -qf file name to view the installed files belong to which package, files are available which determine
   rpm -ql name of the software packages to see which path to the installation
   documentation to install the software name to view the location rpm -qd software, pay attention to the difference with the previous
   rpm -qi software name to view package details
   rpm -qc software name see software configuration file
   packages and file name rpm -qR software to view installed software dependencies
   which capabilities rpm -q --provides View software provides the software name

2. For the package is not installed View

   rpm -qpi xxx.rpm see the software packages use the version information (packageinfo)
   file (packagelist) rpm -qpl xxx.rpm view package contains
   rpm -qpR xxx.rpm view the package dependencies (R relevance)

   Partition, create a file system and mount

3. 2G ⼀ create a system of files, zoomed ⼩ block is 2048 bytes, may be reserved 1% Use space, the file system
   ext4, label is TEST, the partition boot claim automatically mount ⾄ / test of Contents, and the default there acl mount
   options
   echo -e "n\np\n\n\n+2G\nw\n" |fdisk /dev/sdb mkfs.ext4 -L TEST -m 1 -b 2048 /dev/sdb2 echo -e "LABEL=TEST /test\text4\tdefaults,acl\t 0\t 0" >> /etc/fstab
4. ⼀ write a script, the following functions: (1) lists the current system identifies all disk devices (2) as
   the number of disks is one, it is displayed Use spatial information. Otherwise, it displays the last spaces on the disk Use
   Information

df|grep /dev/sd|tr -s " "|cut -d" " -f1                                                                                                   disknu=`df|grep /dev/sd|tr -s " "|cut -d" " -f1|wc -l`(此处简写为这个即可：disknu=`df|grep /dev/sd|wc -l`)
[ "$disknu" -eq 1 ]&& df|grep /dev/sd|tr -s " "|cut -d " " -f1,5||df|grep /dev/sd|tr -s " "|cut -d " " -f1,5|tail -n1

1. How to Add an 50G hard disk to the new block as a separate partition linux system, write specific operation command
   command

   echo -e "n\np\n\n+50G\nw\n" |fdisk /dev/sda

2. echo -e

   \ n new line and move the cursor to the first line;
   \ R & lt cursor to the beginning of the line, but does not wrap
   \ t Tab insertion;