Linux系统中sz和rz命令详解(文件传输、上传、下载)
创始人
2025-01-17 06:08:17
0

rz和sz是Linux/Unix同Windows进行Zmodem文件传输的命令工具,都使用Zmodem文件传输协议。

  • rz: receive zmodem的缩写,运行该命令会弹出一个文件选择窗口,从本地选择文件上传到Linux服务器。
  • sz: send zmodem的缩写,将选定的文件发送(send)到本地服务器,即从Linux下载到Windows系统;

验证sz、rz软件包是否已经安装:

rpm -qa | grep lrzsz

yum install -y lrzsz

sz命令

        sz命令是利用ZModem协议来从Linux服务器传送文件到本地,一次可以传送一个或多个文件。

常用参数:

-a       :  以文本方式传输(ascii)。 -b       :  以二进制方式传输(binary)。 -e       :  对控制字符转义(escape),这可以保证文件传输正确。
[keepmoving@192 test]$ sz --help sz version 0.12.20 Usage: sz [options] file ...    or: sz [options] -{c|i} COMMAND Send file(s) with ZMODEM/YMODEM/XMODEM protocol     (X) = option applies to XMODEM only     (Y) = option applies to YMODEM only     (Z) = option applies to ZMODEM only   -+, --append                append to existing destination file (Z)   -2, --twostop               use 2 stop bits   -4, --try-4k                go up to 4K blocksize       --start-4k              start with 4K blocksize (doesn't try 8)   -8, --try-8k                go up to 8K blocksize       --start-8k              start with 8K blocksize   -a, --ascii                 ASCII transfer (change CR/LF to LF)   -b, --binary                binary transfer   -B, --bufsize N             buffer N bytes (N==auto: buffer whole file)   -c, --command COMMAND       execute remote command COMMAND (Z)   -C, --command-tries N       try N times to execute a command (Z)   -d, --dot-to-slash          change '.' to '/' in pathnames (Y/Z)       --delay-startup N       sleep N seconds before doing anything   -e, --escape                escape all control characters (Z)   -E, --rename                force receiver to rename files it already has   -f, --full-path             send full pathname (Y/Z)   -i, --immediate-command CMD send remote CMD, return immediately (Z)   -h, --help                  print this usage message   -k, --1k                    send 1024 byte packets (X)   -L, --packetlen N           limit subpacket length to N bytes (Z)   -l, --framelen N            limit frame length to N bytes (l>=L) (Z)   -m, --min-bps N             stop transmission if BPS below N   -M, --min-bps-time N          for at least N seconds (default: 120)   -n, --newer                 send file if source newer (Z)   -N, --newer-or-longer       send file if source newer or longer (Z)   -o, --16-bit-crc            use 16 bit CRC instead of 32 bit CRC (Z)   -O, --disable-timeouts      disable timeout code, wait forever   -p, --protect               protect existing destination file (Z)   -r, --resume                resume interrupted file transfer (Z)   -R, --restricted            restricted, more secure mode   -q, --quiet                 quiet (no progress reports)   -s, --stop-at {HH:MM|+N}    stop transmission at HH:MM or in N seconds       --tcp                   build a TCP connection to transmit files       --tcp-server            open socket, wait for connection   -u, --unlink                unlink file after transmission   -U, --unrestrict            turn off restricted mode (if allowed to)   -v, --verbose               be verbose, provide debugging information   -w, --windowsize N          Window is N bytes (Z)   -X, --xmodem                use XMODEM protocol   -y, --overwrite             overwrite existing files   -Y, --overwrite-or-skip     overwrite existing files, else skip       --ymodem                use YMODEM protocol   -Z, --zmodem                use ZMODEM protocol  short options use the same arguments as the long ones 

常用命令:

  • 如果能够确定所传输的文件是文本格式的,使用 sz -a files
  • 如果是二进制文件,使用 sz -be files

将123.xlsx文件下载到windows系统中(默认位置在桌面上): 

sz -y 123.xlsx 

sz -a 123.xlsx

rz命令

        rz:运行该命令会弹出一个文件选择窗口,从本地选择文件上传到Linux服务器。使用rz -y 命令时会弹出选择文件对话框

常用参数:

-b      :   以二进制方式,默认为文本方式。(Binary (tell it like it is) file transfer override.) -e      :   对所有控制字符转义。(Force sender to escape all control characters; normally XON, XOFF, DLE, CR-@-CR, and Ctrl-X are escaped.)
[keepmoving@192 test]$ rz --help rz version 0.12.20 Usage: rz [options] [filename.if.xmodem] Receive files with ZMODEM/YMODEM/XMODEM protocol     (X) = option applies to XMODEM only     (Y) = option applies to YMODEM only     (Z) = option applies to ZMODEM only   -+, --append                append to existing files   -a, --ascii                 ASCII transfer (change CR/LF to LF)   -b, --binary                binary transfer   -B, --bufsize N             buffer N bytes (N==auto: buffer whole file)   -c, --with-crc              Use 16 bit CRC (X)   -C, --allow-remote-commands allow execution of remote commands (Z)   -D, --null                  write all received data to /dev/null       --delay-startup N       sleep N seconds before doing anything   -e, --escape                Escape control characters (Z)   -E, --rename                rename any files already existing       --errors N              generate CRC error every N bytes (debugging)   -h, --help                  Help, print this usage message   -m, --min-bps N             stop transmission if BPS below N   -M, --min-bps-time N          for at least N seconds (default: 120)   -O, --disable-timeouts      disable timeout code, wait forever for data       --o-sync                open output file(s) in synchronous write mode   -p, --protect               protect existing files   -q, --quiet                 quiet, no progress reports   -r, --resume                try to resume interrupted file transfer (Z)   -R, --restricted            restricted, more secure mode   -s, --stop-at {HH:MM|+N}    stop transmission at HH:MM or in N seconds   -S, --timesync              request remote time (twice: set local time)       --syslog[=off]          turn syslog on or off, if possible   -t, --timeout N             set timeout to N tenths of a second   -u, --keep-uppercase        keep upper case filenames   -U, --unrestrict            disable restricted mode (if allowed to)   -v, --verbose               be verbose, provide debugging information   -w, --windowsize N          Window is N bytes (Z)   -X  --xmodem                use XMODEM protocol   -y, --overwrite             Yes, clobber existing file if any       --ymodem                use YMODEM protocol   -Z, --zmodem                use ZMODEM protocol  short options use the same arguments as the long ones 

上传文件到服务器:

rz -y 

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