vold fstab

remove_if (Fwdit first,fwdit last, Pred PR); Remove from [first,last] all elements that enable PR to return true, and return to the location of the last element between the new zone Remove_copy Outit remove_copy (InIt first,init last,outit x,const t val); Removes the element Val from [first,last) and copies the remaining elements to the beginning of the X interval, returning the position of the last element being copied Remover_copy_if Outit remove_copy_i

-E script: multiple scripts can be executed simultaneously. -F/path/to/sed_script: indicates that the script in the file is read to process the text. Sed-F/script file .. -R: indicates using an extended regular expression. Address: 1. Startline and endline, for example, 1 and 10 indicate rows from the first line to 10th; 2./pattern (Regexp Regular Expression)/, for example,/^ root/. Find the line starting with root. 3./pattern1/,/pattern2/indicates all rows in the middle of the row that is matc

e/ (): b433 6157 E/gralloc (102): [unregister] handle 0x2debd0 still lock W/batteryservice (102) : Get battery health[0] ' charging ' W/batteryservice (102): Get battery health= ' good ' W/batteryservice (102): Get BA Ttery health[0] ' charging ' W/batteryservice (102): Get battery health= ' good ' filter to view DALVIKVM's log logcat-s dalvikvm or logcat dalvikvm *:s d/ DALVIKVM (257): GC freed 1191 objects/343344 bytes in 65ms D/DALVIKVM (257): GC freed 1191 objects/343400

data.AdLockBatchOptimistic = 4, optimistic batch update. The record is not locked during editing. Modification, insertion, and deletion are completed in batch mode.};⑤ For Options, refer to the introduction to the Execute method of the Connection object in this article.[5]Record set traversal and updateAccording to the users table created by executing the SQL command just now, it contains four fields: ID, username, old, birthdayThe following code enables you to open a record set, traverse all r

condition form is:On Example:On init // init is the trigger condition. After triggering, export and mkdir are used as an Action.Export PATH/sbin:/system/bin:/system/xbin // set the environment variableMkdir/system // create a directory (3) Services usually start an executable program. Options are additional content of the service for use with the service. Service vold/system/bin/voldSocket vold stream 0660

updated. This is the most secure locking mechanism. Adlockoptimistc = 3,Optimistic Locking mode. The record is locked only when you call the update method. Before that, you can update, insert, or delete data. Adlockbatchoptimistic = 4,Optimistic batch update. The record is not locked during editing. Modification, insertion, and deletion are completed in batch mode.}; ⑤ For options, refer to the introduction to the execute method of the connection object in this article. [5] record set traversal

long as three are the same, many characters can be used)\ (\), \1, \2 (latter reference):The reference pattern matches the entire stringExample:Cat/etc/fstabSed ' 1,2d '/etc/fstab--delete 1, 2 rowsSed '/oot/d '/etc/fstab--delete rows containing oot stringsSed ' 1,+2d '/etc/fstab--delete the first row and the first row the next two linesSed '/^\//d '/etc/

/Unix and Unix/Linux;· SMB: resources are shared between Linux/Unix and Microsoft (Windows;2. The host that shares NFS network resources is called: NFS server;Shared SMB network resource discount host is called Samba server;3. Connection Methods of these network resources:(1) NFS connections:Showmount-e IP Address# View shared resourcesMount IP Address:/shared directory/mount point# Attach network resources(2) SMB Connection Methods:Smbclient-l IP address-n# View the shared directories on the sp

The critical situations of Redhat Enterprise 5 system faults mainly include the loss of grub configuration files, the loss of fstab partition Mount tables, and the recovery of faults in the/boot system boot directory being deleted.I. fault recovery for Grub configuration file loss:The Grub configuration file generally refers to the/boot/grub. conf file, which indicates whichPartitions are used to load the kernel and memory image (RAMDISK) files. The l

image filemount–t iso9660-o ro,loop boot.iso/iso plus loop parameter is because the disc is a loopback device, Boot.iso is the image file name,/iso is the mount point;11. Introduce the shared resources on the mounted network1, the network resources in UNIX and Linux are mainly divided into two kinds of NFS (net File System) and SMB· Nfs:linux/unix and Unix/linux are used to share resources;· Smb:linux/unix and Microsoft (Windows) are used to share resources;2. Hosts that share NFS network resou

can be matched by the pattern here; 3, address range: #,# : #,+# : /pattern1/,/pattern2/: #,/pattern1/: 4. ~: Step in 1~2: Read all odd lines 2~2: Read all even rows such as: ~]# seq 10 | Sed-n ' 1~2p ' Edit command: D: Delete For example, delete the output after the row that matches the specified pattern: ~]# sed '/^uuid/d '/etc/fstab ~]# sed '/nosuid/d '/proc/mounts Delete 1-4 lines: ~]# sed ' 1,4d '/etc/fs