sed command in unix

unix+ command ExplanationChapter I login and exitLogin: login:passwd:Exit: Logout/exit/ctrl+dPassword change: passwdChapter II Directory Operations commandsDisplay directory: PWDBuild directory: mkdir directoy_nameChange Directory:Upper level:..Root directory: CD/Delete directory: RmDir directory_nameDelete file: Rm-rf directory_nameChapter III File Operation commandsList file Directories: Ls-laShow file co

The conversion character of the shell command line is \ www.2cto. comecho $ PATH // get the current value of the system environment variable include a file (class) to: 1.4. # ifndef_ALARM _ # define_ALARM _ # endif extract and copy method: (c... for the unix command line, the conversion character of shell command line

ahoo.localPkginfoPkgchkPkgtrans openssl-0.9.8d-sol8-sparc-local.installp-d AHOO.BFF AllHpux Arch:file/stand/vmunix5. Mount on UNIX Systemmount-vcdrfs-oro/dev/cd0/cdrom/Solaris:mount-o vers=3Mount-o Loop Disk1.iso/mnt/diskAix:nfso-po Nfs_use_reserved_ports=16. Check the program built-in LIBPATH:Hpux-chatrDump-hvSunOS elfdump-dLinux readelf-d7. Other:Iptables-a output-d 202. -j DROPPS Eww pid|cat/proc/pid/envSmitty Chtz_dateEEPROM boot-device= "/[email

a delimiter to sort the 2nd field[email protected] test]# Cat Sort.txt | Sort-t ":"-K 2D:1F:11C:2B:3A:4E:5Use ":" To make a delimiter, sort the 2nd field, sort by number size[email protected] test]# Cat Sort.txt | Sort-t ":"-K 2-nD:1C:2B:3A:4E:5F:11Sort the/etc/passwd files by uid[Loring test]# Sort-t ":"-K 3-n/etc/passwdSort the passwd files in the order of the UID from large to small[Loring test]# Sort-t ":"-K 3-nr/etc/passwdPrint/etc/group in order of GID from small to large[Loring test]# so

including sub-directoriesPWD (print working directory)Displays the path of the current directory (path)CD (change directory)Change the current directory(1)..Represents the parent directory to go to the current directory.(2)/Represents the go to root directory.(3)When there is no option, go to the user's home directoryTouch file_nameCreate a new file, modify the file dateFunction: Change the date of the file, do not modify the contents of the file, if the file does not exist, create a new file.M

accessed in the last 48 hours of the system Find/-empty # Check for empty files or binders in the system Find/-group Cat # Check the files in the system that belong to Groupcat Find/-mmin-5 # files modified in the last 5 minutes of the system Find/-mtime-1 #查在系统中最后24小时里修改过的文件 Find/-nouser #查在系统中属于作废用户的文件 Find/-user Fred #查在系统中属于FRED这个用户的文件 Find/-name AAA #查在系统中 file named AAA The following list is a partial condition for searching the characteristics of a file that can be specified by t

ChmodIs a Command Used in UNIX systems to control the user's permissions on files (ChAngeMoDA combination of e-word prefixes) and functions. Only the file owner and the Super User can modify the file or directory permissions. You can use absolute mode to specify the object ACL in symbolic mode.Usage ChmodUse syntax $ chmod [options] mode[,mode] file1 [file2 ...] Use the LS

Plink_path ="C:/plink.exe"'Plink.exe path Username ="Username"'User name Password ="Password"'Password Host ="192.168.0.1"'Unix/Linux server address Command ="Ls"'Command to be executed Set oshell = Createobject ("Wscript. Shell ") 'Combine plink commands, including logon and Command Ex

name in sleep is displayedFlags task flag, reference sched.hSort by specified columnTop can be set to sort by an item, by default it is sorted by CPU usage,M, (note upper case), sorted by memory usageP, sort based on percent CPU usageT, sorted by Time/accumulated time.How to end a processEnter the letter k(lowercase), and then enter the PID you want to killOf course you can also run the command directly, kill the PIDTop Other usesOther uses of top, c